He enters "The Alternative Trivia Research Club" where the first of his many sexual encounters takes place.
He has never fallen for a real, living girl, until the day he meets Ren Aoi.
We're introduced to young man Nikita Shindou as he's making his way through Akihabara, which is his main haunt and the place where he gets all his bishōjo games, which he plays in his room all alone in the dark.
Keeping them a secret from his sister who just moved in a few months ago after their parents had died, Nikita loves playing up the characters having sex with each other and manipulating them as he can.
To his surprise on his way home though, he comes across a park he hadn't remembered before and sees a beautiful woman there, one that reminds him strikingly of an older Sheeta from Laputa: Castle in the Sky!