Oneesan no Fukurami

Collection of 6 short stories:

Three student get scolded by their teacher that they all have feeling for. Two of them decide to act on their desire in the most straightforward manner possible together but it doesn't play out as they expect and the third student comes to the rescue.

Two childhood friends both like their kendo practising female friend. They take action, bondage action.

The girl from the previous chapter is blackmailed with pictures of the events in the previous chapter by the two boys. Four guys from the kendo club take advantage of the situation and the boys come to the rescue.

Double Bind

A teacher is asked by a big-busted student if her big breast are a bad thing. The teacher is unable to control himself when faced with this opportunity.

Tsundere Oujo-sama gets jealous and insecure when her slave gets a love letter.

A sister and brother take advantage of their maid and when a new tutor arrives they plan to do the same with her.