This is the story of a girl whose boyfriend moves to Tokyo to continue his studies, only to be seduced by a wicked senior.
[Synopsis]
Yuri was looking forward to moving to Tokyo for college. Meanwhile, her boyfriend Shinji was unhappy about the long-distance relationship they'd have to endure as he stayed behind to find work locally. After the entrance ceremony, Yuri attended a club welcome party. A man crept into the gathering, attending for reasons unrelated to its true purpose. Unaware of his intentions, she conversed with him and ended up drinking from a beverage he rather forcefully offered her. Several tens of minutes later, Yuri lay naked in the man's room, her consciousness hazy. As Shinji's call rang on her smartphone, the man reached out toward her body... The next morning, Yuri awoke naked beside the man. She jumped back, frantically dressed without exchanging a word and fled his apartment. Later, while talking on the phone as usual with Shinji, who had no idea what had happened to her, a message arrived from that man. ‘Here's the video from that night.’ The events of that day she'd tried to forget, to pretend never happened. Yuri opened the video with trembling fingers. There she was, moaning like an animal, eagerly accepting the man. Her eyes were glued to the mere minutes of video showing her unbelievable self and she shuddered at the faint memories lingering from that night. After that, the man never contacted her again and Yuri lived carrying her secret and guilt, unable to tell anyone. But unable to shake the video from her mind, she ended up contacting the man to ask him to delete it. Told by the man that if she wanted him to delete it, she had to come to his place and she headed to the location where that night's events had unfolded. The man presented a condition for deleting the video. And she— (͠≖ ͜ʖ͠≖)