Koushi comes across as remarkably responsible for his age. After his father abandoned him, he sank into depression but pulled himself together and found work—eventually landing a job as a dorm mother. What's notable is that he didn't let the fact that most of the girls under his care were older than him stop him from keeping them in line. He'd call them out when needed and wouldn't shy away from warning them to be more mindful about how they presented themselves and acted around him, since, well, he's still a teenage boy with normal teenage impulses.
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