Gentaro Himuro, a young man who avoids contact with people and tends to withdraw into his shell from a young age due to his special constitution of "strength".
Enomoto Natsumi, a childhood friend who always tried to stick to his side.
The two, who were separated due to Gentaro's family circumstances, coincidentally meet again at the university.

"You can't make friends here, can you?
"Don't say that even though you already know ."

After that, Natsumi started coming to Gentaro's house as usual. Gentaro suddenly starts approaching
Natsumi, who wants to enjoy her university life not only with her studies but also with her boyfriendfriend . "If you go that far, why don't you let me experience it? " What is this relationship and what will happen to the two of them from now on ?