I want you to scold me, to bully me... The truth is, I want you to be a little cruel to me―
＜That arousal tasted like something forbidden.＞

The upright and down-to-earth student council president Izumi has a kind and gentle boyfriend he is proud of, Ichii, and their love life is going along smoothly.

However, one day―
Because of a little lie that Izumi tells, he receives a "punishment" unimaginable from Ichii.

Both of his arms are tied, and he hears teasing, almost-mean words.

"Can you say 'I'm sorry' properly?"

Even though his body is tingling hotly deep inside; even though he's being treated cruelly ― he feels several times more pleasure than usual.
The guilty pleasure turns Izumi further into a mess...