This is the story of Sakaki Yuuto, a 17-year-old highschooler who ends up with an unusual job: breaking up relationships by making girls fall in love with him. Unfortunately, in spite of his good looks, he is useless when it comes to women. While his younger brother chases the males and his older brother guides them from behind the scenes, will he be able to successfully play his part and charm the target? And most importantly, will he be able to obey the number one rule of the 'Breakup House', to never fall in love with the target?

[Otome Cafe & Maid Latte] The Guardian with rabbit ears proclaims the sad truth. "If your lost memories are not recovered, your soul will be destroyed." And so our protagonist Minori naturally begins to search for her lost memories. Little by little, the shocking truth becomes clear. Minori is actually...? A bus accident occurs with one of the twin sisters dying. Shiori and Minori fight over one body to be able to return to the real world with the help of their spirit guardians. The one to collect the most memories wins.

Kanade Kazamaki is Shinobi trained and brought up with the Toujo family, being Keigo Tojou's childhood friend. Defeating the Toyoda family who has reigned over the Tojou family, Kanade joins Keigo at an all boys school where the future head of the Toyoda family, Eishi Toyoda attends... But what is this about Kanade being Eishi Toyoda's first love?

Ayato and Yuki are good friends that go to school every morning together, but their relationship has changed in one night. Yuki's purpose is to eat "the human soul" and Ayato's purpose is "to kill Yuki". In order to stop him, the two sides began a bitter battle, and the day after, they pretended as if nothing had happened, it felt it was a dream, so the cycle continues.