The movie is a love triangle full of desire and anticipation between close friends. Hajime-kun is Kou's boyfriend and also a close friend of Arina, but as time goes by, he realizes that he is actually in love with Arina, not Kou. Arina, of course, notices this easily, but because she doesn't want to ruin her friendship with Kou, she secretly expresses her feelings for him.SSNI-647 Steal your best friend's lover When she learns that Kou will have to go to the city for an internship next month, Arina secretly arranges to meet Hajime to inform him and also sets some conditions that if he wants to be intimate with her, he must refrain from any sexual relationship with Kou, including masturbation, for the rest of the month. From that moment on, he completely changes, refraining from masturbation and always refusing to have a relationship whenever Kou gets aroused. Time flies by, and now it's the moment to indulge in the love triangle of the young couple.
