Class representative Mana chan is a little H girl. During class, she fantasizes about naughty things or masturbates secretly. When she gets home, her nipples are hard. Am I really not allowed to touch them? Boys in my class moan when they play with their own nipples like me. Maybe they're interested in boys' nipples too? Curious Mana chan invites fellow class president Kudo to her house to touch his nipples. It's a secret between the two of them that grows as they spend more time together. As she watches him enjoy her touch, Mana chan's inner slut begins to blossom... *The contents may vary depending on the distribution method.

クラスの学級委員まなみちゃんはちょっぴりHな女の子。授業中はいやらしいことを妄想したり、バレないようにオナニーしたり。帰っても家で乳首をコリコリ。私って本当にいけない子。クラスの男の子も私みたいに乳首を弄ると声を出しちゃうのかなぁ？男の子の乳首に興味を持ったまなみちゃんは同じ学級委員の久道君を家に呼んで乳首を触らせて貰うことに。クラスメイトと育む二人だけの秘密。乳首で感じる男を見て徐々に痴女心が芽生え始めたまなみちゃんは...※ 配信方法によって収録内容が異なる場合があります。