Maybe Tsukasa’s behavior improves out of fear at the beginning, scared his teacher may punish him again, but then he becomes addicted… It doesn’t matter how much he tries, all Tsukasa can think about is Rui’s cock fucking and breaking his insides, he is too busy fantasizing about his teacher touching him again that he stops misbehaving, maybe he gets bold enough to ask Rui for cock as a reward for his good behavior. Oh, Rui is happy to do it, getting his cock warmed by Tsukasa’s cute mouth is such a delight, the wild dog now behaving like a good little puppy for him, how cute