文化祭の係のペアは山田さん（柏木こなつさん）になった。ある夜、電話打ち合わせし終え切ったはずの電話の向こうから喘ぎ声が！？盗み聴きがバレるも一緒にオナニーし、あげくオナニーし合う友達、通称【オナトモ】になることに！更にクラスで人気の女子（逢沢みゆさん）にこの関係がバレてしまい…！？なんと藤崎さんもオナトモの仲間入りをすることに！しかし藤崎さんの膣でオナニー『相互挿入オナニー』をきっかけに全員の心に芽生えた「これって恋なのかも？」という感情。フェチAV＋アオハルラブコメを描いた対策です！
Yamada (Kashiwagi Konatsu) was paired with him for the school festival committee. One night, after finishing a phone meeting and hanging up, he heard moans coming from the other end of the phone! He gets caught eavesdropping, but ends up masturbating together, and eventually becomes friends who masturbate together, nicknamed "Masturbation Buddies"! What happens next is that the popular girl in class (Aizawa Miyu) finds out about their relationship…! And then Fujisaki also joins the ranks of the Masturbation Buddies! However, after masturbating with Fujisaki's vagina, a mutual insertion masturbation begins to sprout in everyone's hearts: "Could this be love?" This is a fetish AV + coming-of-age romantic comedy!

– JavGG.net