Izuku Midoriya and Katsuki Bakugo know each other since childhood. Izuku needed to stay at the Bakugo’s home since his mother, Inko Midoriya and Katsuki’s parents, Mitsuki and Masaru Bakugo.. were going to a vacation trip together…

Izuku arrived in front of the massive house, raised his fist and knocked on the door three times..But suddenly..he sees a tall, muscular man…he was half naked…with the same ash blond hair as Katsuki…It was in fact...Katsuki Bakugo’s older brother…