Fuka Sakurai: Lewd Fallen Angel

桜井風花　淫乱堕天使

Also known as 少女の微熱　甘酸っぱい匂い, 少女の微熱　甘酸つぱい匂ひ, Sakurai Fûka: Inranda tenshi, Shôjo no binetsu: Amazuppai nioi

University student Yusaku has no idea what he wants to do and spends his days drifting around. One day, on his way home after drinking, he bumps into a girl. Yusaku chases after her. He finds out that the girl has been in an argument with a yakuza-like man and is about to be taken away by force. He tries to help her, but is punched by the man and falls to the ground. Yusaku has not been able to forget about her...