Responses
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Maybe this one?
https://www.mangago.zone/read-manga/geu_kkeute_issneun_geos/
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Omg Half of Me is literally my #1 favourite bl right now (=・ω・=). I rec https://www.mangago.zone/read-manga/inner_beauty/
It's a "oldie" but a goodie
Anything about soul switching and maybe something like the MANHWA Half of Me