The dragon slayer will eventually become an evil dragon. This point Rintaro Sakuraba has already thought that such a day will come. After all, as long as you become a profession that is close to teachers, you will always feel that you don’t have enough time, and you need to study intensively and protractedly. It's time. But Rintaro Sakuraba never imagined that in his one-on-one high-end VIP high-quality cram school, there were two people who didn't need tutoring at all, but were just here to make trouble. The students went to do other things, which made Rintaro want to hit them hard. But generally speaking, the final result is either to be pissed off or exhausted. Rintaro is already desperate He crossed his arms and supported his head, hoping that the unreliable three sisters in front of him could calm down quickly.