Yuki Enatsu

An insecure young woman, obsessed with jellyfish, lives in a house full of awkward women. Meeting a stylish "princess" turns her life upside down. (imdb)

The clumsy second-year high school student Tsukamoto Tenma is always chasing after her rather unusual classmate Karasuma Ooji, to no avail. Her over-the-top methods do not even seem to register, but she keeps trying. Meanwhile, Harima Kenji, the class rebel, has also been desperately trying to confess his own feelings to Tenma, and his attempts fail in just the same way... (anidb)

When Hiro Hiyorimi tries to save a beautiful young woman from certain death, he ends up a dead hero himself! However, since the drop-dead girl is Hime, daughter of the King of the Monsters, his "reward" is to come back as a not-quite-living soldier in her honor guard of horror! That means helping fight off the army of supernatural monstrosities Hime's siblings are unleashing against her in hopes of moving up the ladder of succession. (myanimelist.net)

Takaya Ougi is just a typical high school guy who wants nothing more than to protect his best friend and live a normal life. Enter Nobutsuna Naoe, an older man who informs Takaya that he is in fact the reincarnation of Lord Kagetora. Naoe, himself a possessor, awakens Takaya's abilities to exorcise evil spirits and fight the Fuedal Underworld. While most possessors remember their former lives before being reincarnated, Takaya does not. (myanimelist.net)