 If you liked
Ibitsu
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 ...then you might like
Henjo: Hen na Joshikousei Amaguri Senko
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Where Ibitsu is trying to keep the story somewhat serious and psychologically realistic, portraying a codependent relationship between a dominant girl who is harassing an older man, Henjo completely disregards this, putting all focus on trying to create as much sexually implicit situations as possible between the younger dominant girl (who's a tsundere as well) and the older man. If you enjoy this kind of relationship Henjo might be to your liking, but you won't get any deeper psychological insights (which might be a good thing for some I guess).