I'm going to list some animes.. not all of them have romance in them, though:
Fairy Tail { best ship ever is nalu }
SAO { asuna x kirito }
Tokyo Ghoul
Rwby
Assassination Classroom
Your Lie In April
Naruto { I dont really like it, though. }
Death Note
Bleach
Soul Eater
Boku No Hero Academia
Attack On Titan
Dragon Ball Z { imo, it was okay-ish, haven't watched all of the episodes }
Danganronpa
I haven't watched all of these, {most of them} but my friends say the ones I haven't watched are pretty good soo.