University student Akane was at a club hanging out with his friends when he reunited with Mitsuhisa, a friend in high school time. Akane has an idiosyncrasy so his high school classmates found him creepy and always kept a distance from him. Among them, only Mitsuhisa hung out with him without fear. Although he's forcible and selfish, Mitsuhisa has a charm that attracts people around him. Akane was also quickly attracted, got carried away, and fell into a physical relationship with Mitsuhisa. However, for some reason, Akane disappeared without a trace right after the high school graduation ceremony, and cut off all ties with Mitsuhisa... 忘れたいけど忘れられない奴がいる… 大学生の茜は、友達と遊びに行ったクラブで高校時代の友人・充寿と再会する。高校時代、スライダー体質だった茜を気味悪がり距離を置く同級生の中、充寿だけが物怖じせず絡んできた。強引で身勝手ながらも人を惹きつける魅力をもつ充寿。茜も急速に惹かれ、流されるまま体の関係を持つように…。ところが、“ある理由”によって茜は高校卒業を機に充寿の前から姿を消し、繋がりを絶っていたけれど…