Kotenkotenko

Rito Yuuki is unlucky when it comes to love — no matter how hard he tries to confess to his crush, his efforts end in failure. After another day’s confession goes down the drain, Rito spends his night sulking in his bathtub. But when a naked girl with a pointed tail teleports into the tub with him, it seems like Rito’s luck is finally looking up! His fortune doesn’t last long when he finds himself accidentally engaged to the buxom beauty who is none other than the princess of the planet Deviluke!

In Shin-Yokohama, humans engage in a long, drawn out battle against vampires. Amongst them, the last "true vampire" stands... Will he be a bringer of peace, or destruction?

Issei Hyodo is your average perverted high school student whose one wish in life is to have his own harem, but he's got to be one of the unluckiest guys around. He goes on his first date with a girl only to get brutally attacked and killed when it turns out the girl is really a vicious fallen angel. To top it all off, he's later reincarnated as a devil by his gorgeous senpai who tells him that she is also a devil and now his master! One thing's for sure, his peaceful days are over. In a battle between devils and angels, who will win?

Born into a legendary ducal family, martial prodigy Maria “Mimi” Annovazzi loses her claim as heir and is suddenly ordered to marry into prestige. With no options left in her homeland, she transfers to a neighboring kingdom—only to be publicly dumped at graduation by a prince she’s never met over an engagement she didn’t even know she had! Will Maria be doomed to the life of a spinster?!