 If you liked
Kimi wa Pet
|
 ...then you might like
Hotaru no Hikari
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Has the same sort of feel as Kimi wa Petto with the whole set up of how a guy ends up living with the main character (being total opposites) while she keeps it a secret from the person their going out with. Once you start reading you'll see plenty of other similarities that I don't want to spoil especially of how their definition of "home" changes.
Very similar vibe and setup, although kind of inverted. In Kimi wa Pet, our FL is living with a younger guy/going out with older guy, while in Hotaru no Hikari, she’s living with an older guy/dating younger guy. Both FLs have some trouble coming to terms with the disparity between how they appears to others and their true personalities