Meanwhile, we are at the mansion house and Tatsuya had play some golf at the backyard practice while Hamagishi with her mother and they are having fun with her just talking about something with Tatsuya by her side.
Mom: so Hamagishi how is Tatsuya doing?
Hamagishi: he was doing well but he is so kind brother that I had gone he was only 14 years old but now he is growing up to be a gentlemen
Mom: if you want to do anything just ask me or your father
Hamagishi: okay mom
While Tatsuya is playing some golf with his father went he was about to win by his father and suddenly, Tatsuya heart is hurting and he touches his heart while the father is shouting from inside the house and he was saying to them was.
Dad: honey!! Please come here we had something going on with Tatsuya
Later Hamagishi and mom see that Tatsuya is having a heart attack on his chest and while we go and take him on the sofa to let him rest on the sofa while Hamagishi holds his hand and didn't let go of his hand just stay with him until their parent brings him to inject the serum into him.
Mom: okay Tatsuya it will pain
Tatsuya: okay
Once she inject him inside his chest after an hour later Tatsuya is okay and he was calmed down by a heart attack on his chest.
Hamagishi: oniichan are you okay now?
Tatsuya: I'm fine but mom and dad can you give us some space, please
Mom: sure of course
Dad: sure son
While they left them alone with Hamagishi and Tatsuya and they were sleeping together in the living room and they sleep until the next morning at Busan in Korea.
The next morning at Busan and Hamagishi woke up and she saw that Tatsuya was not here with her but he was in the kitchen and he was cooking something for everyone.
Hamagishi: oniichan you are up and how is your chest feeling?
Tatsuya: it feels fine and thank you for holding my hand until morning Hamagishi
Hamagishi: it's okay but where are mom and dad?
Tom: they were working something on the headquarter early this morning
Tatsuya: so where did your twin's brother go?
Tom: you mean Tommy?
Tatsuya: of course Tommy
Suddenly, Tommy was walking here and he saw that we have some guests from Japan and it was Hamagishi who came here to visit her parent at Busan.
Tommy: so how are you doing?
Hamagishi: I'm fine thank you and how did my brother become an Agent
Tommy: well we can tell you all about it went your mom and dad come back from the mission
Hamagishi: I would love that
Flashback went Tatsuya become a legendary agent and he was only the younger agent who had saved 10 people in one day and he got promoted into be an agent and went his parent find out that he is the most famous agent around the world and Tatsuya also miss his sister who had succeeded to be an idol and he always supports you from until the end went he meet you and he was happy and he brings you to meet Tatsuya parent and she is happy too.
Tommy: that is the story of your brother
Hamagishi: oniichan you did support me until the end and now you still support me as well
Tatsuya: of course I did but I think we return back to Japan at night
Hamagishi: okay oniichan
Later Tatsuya parent are here at the mansion house and mom go rushing to Hamagishi she hugs her and says goodbye before she went back to Japan where is life but Tatsuya has had a home in Korea and also in Japan too.
Mom: Hamagishi please take care of yourself before you had to leave the house okay
Hamagishi: okay mom and dad I will miss both of you
Dad: don't worry you can video chat if you feel lonely or you can go and spend with your brother
Hamagishi: I will dad but I love both of you so much
Mom: we love you too Hamagishi
Dad: son please take care of her and she wants to visit here again please text us with this
While dad gives Tatsuya a mission phone just use it on a mission only or time with a family talk with them if they miss.
Tatsuya: of course dad I will let go of Hamagishi
Hamagishi: okay oniichan
Right before we left the house and Tatsuya parents to see that they had much growing up to be a mature adult and while Tatsuya was driving his van and we suddenly, arrive in Japan and he reach the Hinatazaka dorm and went half of the members can see that Hamagishi is back from his trip and she open the van door and went inside to the dorm and went Tatsuya is waiting for her to put her staff at her room.
Tatsuya: man what a journey huh?
Later Hamagishi is back and she saw that oniichan is still here and she hug him and she was saying that to him was.
Hamagishi: thank you oniichan for everything you did for me
Tatsuya: no problem but see you tomorrow if you want anything okay
Hamagishi: okay see you later oniichan
She left him and she join with the member and they bow to him and he start the van engine and leave the Hinatazaka dorm and go to the Nogizaka dorm and meet with Kaki and others too.
Once Tatsuya had arrived at the Nogizaka dorm and later all of the members were rushing to Tatsuya van and went he was to park his van and Ayane see that Tatsuya is okay and her face is worried look on him.
Tatsuya: Ayane what's wrong with you?
Ayane: senpai are you okay right?
Tatsuya: yes I'm fine and why did you ask that I'm not fine
Kaki: Senpai!! *hug*
Tatsuya: what's wrong with everyone today?
Yamazaki: sorry she did miss you a lot while you return today
Tatsuya: what did you mean by that Rena?
Yamazaki: well she can't sleep or eat just because she misses you a lot
Tatsuya: Kaki skip breakfast and she didn't sleep
Yamazaki: yes she did and but now she sees you and she didn't want to let go of you
Tatsuya: I think so but I'm fine now I promise and can we go inside to the dorm, please
Kaki: of course
They all went inside the dorm and all of the members plus the 5th gen are also saw that Kaki Haruka is hugging him and they ask the 1st gen and they say that they are dating each other with a CEO and he is also an Agent from both country.