[Machine Translation] Sada-kun is assigned to tutor Rena, Erika's cousin. Rena is a sassy third-year junior high school student. Rena's rebellious attitude towards him has ignited Sada-kun's Dosu spirit! As Sada-kun's lessons (training? ), Rena gradually opens up to him. Then, something happens at a bookstore where Rena goes to buy a reference book, and she falls in love with Sada-kun. Erika is also taken aback by this unexpected turn of events! What will Sada-kun and Erika choose to do...? ( Included works ) Wolf Girl and Black Prince Special Edition / Wolf Girl and Black Prince Extra Edition - Sada-kun's Holiday