 If you liked
Ouran Koukou Host Club
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 ...then you might like
Mairimashita! Iruma-kun
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I can't think of a series quite like it, Comedy, Drama, Found family, Friendships, a fun twist on the Isekai genre (no dying necessary here) combined with school shenanigens.
While not much like Ouran at the same time I think if you enjoy the zany humour of it you'll likely get a kick out of Iruma too