One day, Nanao goes on a date to the cinema with Takanashi, a guy that she knew from highschool.

After watching the film, they head off to go eat something, but are instead caught in the rain.
With the two utterly soaked, Takanashi invites Nanao over to his place.

Having showered first, Nanao is left alone while Takanashi is in the shower.
Out of curiosity she has a look around Takanashi's room, and discovers a box of condoms.
She is caught red handed by Takanashi, and boldly asks him directly if he has a girlfriend.
Takanashi says that she does not and then...

"Senpai, I like you... but what do you think about me?"

Abruptly confesses his affection for Nanao.
Still surprised by the sudden confession, she is kiss by Takanashi,
and caught up in the moment... the two end up having sex.

Are her feelings for Takanashi friendship? ...or are they something more----?