It tells the story of a strange man flirting with his junior brother in various ways. But it's actually a not very happy story. Although there is joy in the middle. ——If you go to another world, can you let go of everything in the past and find the feelings you really have? ——No, I can't, because I have never had feelings.
My feelings are born out of interests and preferences.
There is never absolute emotion, there is only the satisfaction and mutual interests when we are together.