my brother and sister, tsukuda was a sister of a schoolgirl who cheated on the supermanufactured train! But I, who couldn't control my excited self, was so surprised that I committed a crime with my sister which had been unable to move and became close f

"Why is your brother?" My older brother, excited by a small schoolgirl on a super-full train, unexpectedly hesitates. It is good that you do not resist, but when two close-up people look at each other, the partner of the wolf is a little sister! My brother, who is embarrassed but can not control his excitement, continues to do so! Ignore my disliked sister and become a forbidden close relative!