Part 3 of my list of favorite love couples in cartoons and/or comics is here.
17. Yamcha x Bulma (Dragon Ball)
Image source: What Fans Love
18. Keith x Allura (Voltron: Defender of the Universe) (note that their respective GoLion counterparts Akira Kogane and Princess Fala were never officially a couple)
Image source: The Voltron Fandom Hag
19. Riku Mikami x Sarah (Gundam Build Divers)
Image source: Gunpla 101
20. Kraft Lawrence x Holo (Spice and Wolf)
Image source: Anime Truck Stop