HI do you have bl/gl/ straight manhwas you can recommend where like the the mc has a love ...

HI do you have bl/gl/ straight manhwas you can recommend where like the the mc has a love interest where they usually act like mr. perfect (They seem very nice and sweet but it's like only a persona) and deep inside they act very obsessive to the mc
-my friend needs help w recommendations HELP it's so detailed so help pls