Oneesan no Fukurami

Collection of 6 short stories: 1. 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. 2. Two childhood friends both like their kendo practising female friend. They take action, bondage action. 3. The girl from the previous chapter is blackmailed with pictures of the events in the previous chapter...