If you're looking for anime similar to Rizelmine, you might like these titles. All recommendations are made by Anime-Planet users like you!
Kotoko Aihara has always been in love with Naoki Irie; he’s tall, handsome, and rumored to be the most intelligent student in Japan – who wouldn’t be? Only one thing stands in the way of a relationship with Irie: Kotoko is ditzy and is at the bottom set of her school, and Irie-kun hates nothing more than ditzy, stupid girls. When disaster strikes and Kotoko is forced to move in with Irie-kun’s family, she suddenly sees her chance to bridge the gap. After all, even cool, super-intelligent guys must have a soft spot, right?
Ataru is one of the most desperate womanizers alive, and a man whose life is about to become complicated. When aliens invade, he discovers he has been chosen at random to be mankind’s defender, and must play a game of tag with the beautiful alien princess Lum to decide the fate of the planet! After chasing her with all of his crafty techniques, Ataru finally wins, but his victory also means he must marry the princess herself! Now, with strange alien visitors and a jealous wife to handle, Ataru still manages to keep an eye on his ultimate goal: having his own harem!
Ataru, the main guy pushes Lum-chan, though he is quite a pervert. Lum came to earth to be his opponent to in order to conquer the earth but then she lost. though ataru mentioning something about marriage misunderstood him and thought that he wanted to marry her. so she stayed on earth and brought bad luck to Ataru though I'm pretty sure she loved him on first sight because throughout the anime she could be seen clingy and attached to Ataru which she calls "Darling"