Nendou Riku
A gym teacher and school guidance counselor who comes across as the "bad cop" in his dynamic with Saiki—though Saiki respects him regardless. Nendou has a knack for being intimidating when he needs to be, but there's a solid person underneath the gruff exterior. He genuinely cares about the students' wellbeing, even if his methods aren't always the gentlest.
Saiki has described their relationship as "good cop bad cop," with Nendou typically filling that stricter role. Despite the contrast in their approaches, there's clear mutual respect between them, and students seem to understand that Nendou's toughness comes from a real place.
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