Responses
boundary of delusion maybe? not exactly but sort of fits
Not a manga but a manhwa: Protect your purity! ( https://www.mangago.me/read-manga/protect_your_purity/)
https://www.mangago.me/read-manga/nande_koigataki_ga_ki_ni_nannen/ (This is a manga with a similar concept :3)
loved the depth in this one:
https://www.mangago.me/read-manga/nande_koigataki_ga_ki_ni_nannen/
Any manga where two people are fighting for someone and they fall for each other instead kinda like 'Love your Love Enemy'. Just read that one and it was so peak