This is for all possible and future quests in worlds that he may or may not go to.
Though every world though has the same base Main World Mission.
(Every World)
Reach the Peak- reach the human limit in that world, or upper and divine realms hit the level of the Peak.
(Danmachi)
Dominate Telskyura- Become the King of the Amazons by making all the Amazons of Telskyura your women (Note the age that Amazons in Danmachi can begin procreation is the age of 9 soo….)
Reach Level 10- Reach Level 10 in the world of Danmachi.
Reach the bottom- reach the 100th floor of the Dungeon of Orario
(High school of the Dead)
Save Japan- clear Japan of its Zombie problem
Create your settlement- clear an area of land and have 500 people under your protection
Leader of the horde- control over 1000 zombies at your whim.
The Next Step- make an undead to step into the next evolution of humanity as a whole
(FGO)
Human Incineration Incident- save humanity from its demise at the hands of the Beasts.
Alright Princess- Save Olga Marie from her unjust fate.
It will be alright- Save Mash by fixing her deteriorating body.
(Kill La Kill)
Join Hannoji Academy
Help Ryuko with her revenge
Stop the Life Fibers
(Akame ga Kill)
Defeat Esdeath
Cure the Cancer in the Empire- Deal with the evil and corrupt people of the empire that should be rooted out, either through legal or illegal means
Kill the Fat Bastard
(Infinite Stratos)
Join IS Academy as the only male student
Gain your own Personal IS
(MHA)
(Kuroinu)(Hentai)
(Tenchi Muyo! War On Geminar)
(Hundred)
(To Love Ruu)
(Campione)
(Absolute Duo)
(Arifureta)
(Maken-Kii)
(Hyakka Ryouran: Samurai Girls)
(Hyakuren no Haou to Seiyaku no Valkyria)
(Nagasarete Airantou)
(Youkoso! Sukebe Elf no Mori e)(Hentai)
(Interspecies Reviewers)(Hentai?)
(Corruption of Champions)(Porn/text adventure)
Goblin King- Make a majority of the Goblin Tribes Women your women, luckily this world only gives birth to Goblins, and not only is incest accepted it's endorsed by them as a whole.
Save the World- Save the World from the corruption sweeping the world.
Takedown the Factory- shut down or destroy the Factory.
Befriend the Sand Witches- find the Sand Witch tribe and befriend them.
****
More possible worlds will be added down the line.
Also you can leave world suggestions for him to go to in the comments of this chapter if there not already up here, only stipulation that there plenty of women and that it wouldn't be difficult to make it around him, Date A Live is a no go unless someone has an idea to replace the Mc of that story while making sense because I can't see a reason to make the story work if I just plopped him in the spot of the protagonist really.