Masamune-kun no Revenge: Uchi no mama ni kagitte/Tsunade tou, futatabi./12-ji o sugita cinderella

Upon returning home from school one day, Masamune Makabe is joyfully greeted by a young girl who he mistakes for his ever-cheerful mother. However, he quickly learns that she is actually his cousin Haruka. In fact, Haruka, his mot...