a new student who was scolded on a swinging train (reprinted special price version)

She came to Tokyo to attend university and decided to live in the house of her older sister Saori's wife. I feel anxious about the future of my new life, but I am soon to be hit by a jealousy. As the foreseeable future, I will reunite with my former boyfriend's nephew on campus. The two had an unpleasant farewell due to the selfish affair of his nephew. Then, his wife, Yoshitaka, who was an elite and strong Saori, committed a crime in the next room where his sister is sleeping.