Yukinari Sasaki is an average high school boy who has gynophobia (female-phobia)...and an allergic reaction when girls touch him. One day, he falls through his tub to a bath to an alien planet called “Siren” where the population is 90% female. There he meets the sweet Miharu, who he can touch without breaking out into a rash! When the pair returns to earth, they’re joined by a wacky collection of friends and enemies who make every day one of laughter, life lessons, and fan service!

Haruhiko can't stand his tyrannical father, so he leaves home. The life of a super-rich high school student is difficult. By relying on his relatives, he ended up with a large debt... Even with his classmate Yoriko and his maid Nanako helping him out, things just keep happening in his unfamiliar economic lifestyle. It's a promise-filled, high tension, romantic comedy!

Sakuraba Kenji is an aspiring baseball player, however due to some circumstances he gave up on baseball, and moved to a new High School so that he is able to give up on it totally. On the day that he visit the new school he will be attending, he meets a girl, Mamiya Itsuka who mistakenly does something to him, causing him to faint. When he awakes, he realizes that the place he will be staying at is Itsuka's home!
(Source: Promfret)