i love otomes/dating sims very much! so heres a list of the ones I've played so far along with my favorite charas from them:

• nameless: yuri❤, lance❤, red❤
• mystic messenger: zen❤❤❤, ray❤❤❤, jaehee❤, jumin❤
• dandelion: the wizard & jihae
• amnesia: ikki, ukyo, kent
• norn9: itsuki❤, akito
• code realize: lupin❤, impey
• collar x malice: yanagi❤❤, takeru❤
• psychedelica of the black butterfly: yamato❤