Good Luck! Ninomiya-kun is a tV series anime that premiered in fall 2007, produced by AIC Spirits.

About the production: the story comes from a light novel, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are comedy, ecchi and fantasy, with themes such as Succubus, Nudity, Female Harem and Male Protagonist.

On AniList, Good Luck! Ninomiya-kun has an average score of 60%, an average score, and appears on 16,951 users' lists.

Shungo is a normal high school student living in a huge house. One day, his sister Ryoko sends Mayu and Mikihiro Tsukimura, two siblings, to live with him to help Mayu overcome her problem. Mayu's problem: androphobia (fear of men), and Ryoko wants Shungo to help her overcome. How? By making Mayu and Shungo share the same room, bed, and even take baths together. To make things even worse, Reika Hojo, the student-council chair, somehow ends up becoming their maid. (Source: Wikipedia)

Official synopsis from AniList.