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Miyu is a sullen female college student who has little sexual experience, but actually fantasizes that she wants to be fucked by a man with a big cock. Although she has a boyfriend, Makoto, who is a serious type like herself, she was not satisfied at all with sex with him. One day, at the suggestion of Professor Oshima, I went to a research camp with my boyfriend and alumni. Miyu hated Oshima, who has an overbearing and sticky personality, but at the training camp, he was forced to share a room with a big cock and skilled erotic technology.