Tabata Hana is a lonely, negative and unpopular high school girl. Her class's most handsome guy, Yousuke, accidentally witnessed her happily pretending to be a heroine in the classroom one early morning...!?

After being cheated on by her fiancé and being driven out of her home, Ookami Tsukasa realizes that romance is a trauma for her now. Loveless, homeless, and drowning herself in alcohol daily, she moves to a run-down apartment and meets the neighborhood heartthrob Isato Haruyuki. Could this be a sign of romance to come...!? Unfortunately, she ends up being haunted by Isato’s ex-wife!

The people that are infected with the maka's sprout, are fated to feed the flower until it blooms, which ends their lives. The maka -humanoid demons-, carrying its own sprout, are chased by Satsuki, and the maka known as Blue Rose greets Satsuki as a "Hero". What will this encounter bring…?

"Flowernoid", a doll created with the special nature of flowers, and who devotes themselves to a master. This is the story of Satsuki, a master flowernoid repair specialist whose daily life changes by happening upon a lovely flowernoid. "From now on, I belong to you" the flowernoid claims.