What are some good romance anime do you recommend ?
This is, in my opinion, the best romance anything, anime or other, of all time and is definitely a must-watch for everyone. Definitely watch this one:
Toradora
Horimiya is airing rn, and it's pretty solid:
Horimiya
If you're looking for something more on the comedy side of things:
Kaguyasama Love is War
Lastly, if you're interested in waifu wars:
RentaGirlfriend