For action: Demon Slayer (Kimetsu no Yaiba), My Hero Academia, Jujutsu Kaisen, Akudama Drive, Golden Kamuy
Mecha (kinda): Gurren Lagann, Planet With, Evangelion (tv series & rebuild movies), Godannar (basically Pacific Rim with fanservice)
Some of my favorite romance/romcoms are Fruits Basket (2019), ReLife, Recovery of an MMO Junkie, Science Fell in Love...