Zach- Main character. A reincarnator who was given a second chance at life with a customized hentai system with a shop. Son to the most promiscuous women in the hentai manga verse. He will gather a large harem to fill his endless lust and fantasies.
Mitsuko- A bad wife and a bad mother who have sex with strangers everyday. Then she drag her three daughter's into the same life style as hers' when they are older, but now is completely loyal to her son. She will no longer have sex with anyone but her son.
Kurumi- Youngest daughter of the three Souma family sisters and fraternal twin to Zach. A girl who at least fights back against her families promiscuous ways, but always succumb to sex. But with Zach here she will be loyal to him only.
Sayako- The second eldest daughter of the three Souma family sisters, who love sex like their mother. In the future without him, she will study at a renowned university and works as a home tutor who haves sex with her students. But with Zach here, her future is changed as she will be completely loyal to him only.
Souko- The eldest daughter of the three Souma family sisters, works on an office. Used to be married, but she quickly divorced because cheated her husband constantly like her mother. But with Zach here, her future is changed as she will be completely loyal to him only.
Aika- She was married to a man who sold her and her daughter to loan sharks to pay off his massive depts with them. Later she was brutally gangrape right in front of her daughter and was forced to watch her daughter lose her virginly. But Zach saved them from them and got revenge for them. Now they live with him as part time maids/wife.
Aimi- She was a sweet child with a good life, but it change as she was sold along with her mother to cover her father's depts. She grew to fear men as they gangraped her mother in front of her and was about to be raped by their boss, but she was saved by Zach. After some set backs, she is now living with him as part time maid/lover with her mother.
Ayaka- A young girl that was bullied by her peers as her mother worked as a pornstar and said mother committed suicide after he husband became famous. He was ashamed of his wife. So years later, she got revenge on her peers by developing a drug that makes every girl into a total slut. But with Zach here, her future is changed as she will be completely loyal to him only.
Sayuri- (Tsukiai Goukon) A normal housewife that has suppressed sexual desires. She was invited out to a mixer with her friends, after a being "persuaded" by 2 guys and her friends. She went along with it, but once he plunged into her, all she could think about was that cock and the pleasure she feels. But luckily, Zach got to her first before they got their hooks into her and now she loves him only.
Mai- She is having trouble releasing her inner desires and acts shy every time she sees a cock. In the future, her two friends will drag to [Oideyo! Mizuryuu Kei Land] to break her out her shell. Which led her to have a boyfriend, but then cheats on him with other guys after his friend ravage her. Waking her inner slut up, but with Zach here, her future is changed as she will be completely loyal to him only.
Eri- A hot foreigner who is a friend of Mai and Yuki. Just like Yuki, she enjoy having sex and is not afraid to show it as she ran off with two middle age men who masturbated in from of Mai. Since Zach is here she will not be showing any interest to other guys as she will be completely loyal to him.
Yuki- A friend of Mai and Eri and much more easygoing than Mai. She enjoy having sex and is not afraid to show it. It's why she knows [Oideyo! Mizuryuu Kei Land] so well in the future, but with Zach here, she will enjoy her time going with him to his version of [Oideyo! Mizuryuu Kei Land].
Yuka- A slut like his mother who couldn't get enough having sex. She is an animal in constant heat that craves cocks. In the future she will get married to her husband, but will be left unsatisfied. Later she will be confronted by her ex-boyfriend (who she is currently fucking right now, ch 20,) and will have sex with him behind her husband's back everyday.
Sakiko- A friend of Yumiko since high school. Used to be a good girl, but once she entered the university she turned into a slut. Years later she got married and since then have 4 affairs with different guys that her husband knows about and many more that he doesn't. Now that she met Zach, she divorced her husband and left her old life to be with him and she is completely loyal to him.
Yumiko- A friend of Sakiko since high school and gave birth to a daughter when she was 17. She used to be a party girl in her youth, before mellowing out a bit. After that she dragged her best friend Sakiko who was in the same university as her to a club party that takes advantage of drunk female students. That is how Sakiko turned into a slut. Now that she met Zach, she left her old life behind to be with him and she is completely loyal to him.
Ako- Yumiko's daughter who later joined in with her mother having sex with guys she deem interesting. But since Zach is here she will not be showing any interest to other guys as she will be completely loyal to him.
Kumiko- A friend of Sayuri who is also married, but is having affairs behind her husband's back. She tricked Sayuri into going to a mixer where she and another friend of her's name Yukie have been having sex with men for a while. But since Zach is here, she will be completely loyal to him.
Yukie- A fellow housewife and a friend Kumiko and Sayuri of was also invited to the club. She has been cheating on her husband with Kumiko and has birth 3 kids already and none of them are her husband's. She doesn't care as long as she gets a dick in her. Luckily for her since Zach is now here, she will be completely under one dick and that is his.
Suzuki- A married women like her friend's who are having an affair with men at an exclusive gym that carters to females. She was recommended by her friend to join her as it has been so long since she experience any kind of pleasure since their party days. Since Zach is now her trainer, he will not let her rest until every part of her body is feeling the burn.
Akane- She dragged her friend Miyako into joining the gym with her after learning about the special promotion. First two months are half off as long as a friend signs up with you. She was unaware of the debauchery that happens after being condition to seek more pleasure after every session ends until one day they snap. Having sex with her private instructor after being teased to much. Luckily for her, Zach appeared to pick up the slack her previous trainer was unable to finish.
Miyako- Was invited by her friend Akane to help her save money on joining a gym membership and exercise together. While she wasn't happy, she followed her friend right in and was soon turned into a slut along with her. Having sex with different trainers every other day, while having an orgy once every week. Now that Zach joined the gym, she doesn't need multiple trainers anymore as Zach will train her right.
Ayumi- A preschooler teacher that will later join [Mizuryu Kei Land] as one of its' workers that watches over the children their parents drop off and teaches them about sex. That will never happen since Zach will be taming her thoroughly so she won't fall into that dangerous path.
Yua- An experience women who will later join [Mizuryu Kei Land] as one that teaches women how to act in front of park patrons. Keeping the sexual feeling up as they entice patrons to release their sexual urges and appeal to their desires. Now that Zach scope her up, she will be teach his harem members how to entice him to do what they want when they want something.
Akemi- Another friend of Miyako who was later brought in by her to break out her shyness. And once she did, she was transformed into another person like Sakiko that craves pleasure of cock. Which she will later worship the mightiest cock of all time, his.
Miyu- Another worker that will later join [Mizuryu Kei Land] as a tour guide, explaining about the attractions they have and what is/not allowed. Now, she and others similar to her in profession works for him as the shop keeper that manages his harem daily purchases.
Yuna- A receptionist at an illegal massage parlor that seems innocent on the surface, but has experience the shadier side of the world. Years later she will be working [Mizuryu Kei Land] as a tour guide/receptionist to people that ask for directions.
Fumiko- A masseuse who gives happy endings to clients on the side without any else unlike her follow co-workers who goes all the way. She was saving herself for marriage before Zach entered walked in and changed her mind. Now, she is Zach's women and wouldn't have it any other way.
Megumi- A nurse right now who will later be a doctor teaching workers of [Mizuryu Kei Land], how to handle a male's cock like a pro. How to move theirs hands correctly, how to juggle a man's balls, controlling the strength of their grip, etc. Now that Zach scope her up, she will be teach his virgin harem members how to work his cock.
Asako- A women that was born with both parts of a male female organ respectively, a dick and a vagina. She is also married to a guy that doesn't care about her "little friend" or he does and finds it hot. Anyway, she cheats on him with women all the time and thinks with her dick. Since Zach is here, he will make her feel more like a women now than a man.
Yuuko- A shy housewife with both genitals and a friend of Asako. She lies to her husband about not being attracted to girls, but she is as she cheats on him with them. Anyway, since Zach is here, he will make her feel more like a women now than a man.
Sakura- She was looking for a job to pay the bills for her sick mother when she was kidnapped by slavers. Coming from the country side she was very trusting person that didn't know the dark side of humanity. Luckily she wasn't violated than a few gropes because of her sexy body and the fact she is a virgin, she could be sold very high. Now she is training with Zach in learning magic and help save her fellow women later when she is ready.
Tina- A university student that was taking a vacation to the beach alone where she was drugged. Unknown to her, she was sold by the people at the inn after checking no one was with her or notice her absence for a while. Having done it before they didn't think that they would be targeted by her new lover after he rescued her.
Eiko- A teenager that was sold by her father to pay off his gambling debts and was violated by many men inside her own home. After satisfying their lust on her body, they sold her for a profit despite being used. She was a shell of her former self, but that changed as Zach gave her a purpose in life to save her fellow slaves.
Asa- Older sister to Azumi by a few minutes. She and her sister were kidnapped from the street at night coming from cram school their parents sent them to. Luckily for them they weren't violated by their kidnappers and were stuffed with the other women they kept. Soon she was rescued by Zach and decided to take up his offer to learn magic.
Azumi- The younger sister of Asa. After being thrown together with the other girls, she grew jaded after seeing their condition and a burning vengeance brewed within a few days. She also joined her sister in learning magic from Zach as it was a quick way to power.
Keiko- Has a 3 years old daughter that was left with her grand mother to babysit as she visits her husband in the hospital. Like a cliché hentai manga, she has to pay off the depts she has after borrowing money from a shady place and used her body to do it. After a month of getting fucked by a bunch of men, she was invited to attend a "special" party as one of his date where later she will spend the night with him. But before she could get fucked by an old guy, she was rescued by Zach as he interrupts the "special" party.
Ryo- A university student visiting her home town that was targeted because of her beauty. She was snatched up on her way back to the university after her car broke down. Having no signal, she could only wait for someone to come by and helped her out. Unfortunately it was the people who sabotage her car that came to help much to her later regret. When Zach came barging in, she desired the same power he was throwing around so she won't feel this way again.
Sora- Best friend of Hanako and goes to the same university as Tina, but in different majors. One of the top ten beauties of their university and was targeted because of their beauty. They stayed in a different hotel than Tina, but still got kidnapped all the same. Fortunately nothing happened to them when Zach saved them. Not wanting to be powerless anymore, they decided to take him up on his offer.
Hanako- Best friend of Sora and goes to the same university, but in different majors. One of the top ten beauties of their university and was targeted because of their beauty. Fortunately nothing happened to them when Zach saved them. Not wanting to be powerless anymore, they decided to take him up on his offer.
Kagura- A principle to his new school he made during the four months he was getting his revenge. She was a teacher at a school that was denying her promotion to be a principle without doing certain "favors" for the current principle. An balding overweight man that was fucking his teachers and students and was currently eyeing her. Stepping in, Zach saved her from taking that step as he made her the principle of his school after finding her being good.
Yui- A teacher he persuaded to join his school after visiting many schools in the area to poach from. She is very fun and have a good time interacting with her students and they love her. Which is why he picked her in the first place and being hot help as well.