Hanayome wo Ryakudatsu Sareta Ore wa, Tada Heion ni Kurashitai.
花嫁を略奪された俺は、ただ平穏に暮らしたい。
On the day of the wedding, the groom is left alone when his bride is taken away in front of many people. The next day, his exhausted and drained fiancée’s younger sister arrives at his home. Unexpectedly, he begins to be looked after in a lavish and attentive manner by her.