Eiji, a high schooler an in charge of the whole housework, gets a cute tsundere "maid" (She ist not exactly wearing a maid uniform) robot from his father on the occasion of his birthday.

Wakana Gojou is a fifteen year old highschool boy who was socially traumatized in the past due to his passions. That incident left a mark on him that made him into a social recluse. Until one day he had an encounter with Kitagawa who is a sociable gyaru, who is the complete opposite of him. They soon share their passions with one another which leads to their odd relationship.

(Source: Mangadex)

Yamato loves his little sister. His sister is the cutest and sweetest girl in the world, and he won't settle for second best. Unfortunately, everyday life and the rest of the world intrude on his idyllic plans, and he finds it's not as simple as he imagines it should be. Follow along with tough Yamato and cute Masaki as they deal with the problems of an otherwise normal family life.

(Source: MU)