When an orphan encounters the eldritch demon Shub-Niggurath, the "Black Goat of the Woods with a Thousand Young" offers him one wish. His request: "Become my big sister."

Umio is a shy kid who just started his part-time job at a manga store smack dab in the middle of the city. But his lifestyle isn’t as glamorous as the neon lights that illuminate the city. Umio’s closest...

Makoto Niwa moves to live in the city and meets his first cousin Erio Touwa at his Aunt Meme's house. Erio is no longer enrolled at school and is constantly wrapped in a futon. Erio claims that she is an ext...

While on his way to school to confess his love to classmate Kusanagi Mikuru with a love letter, a second year high school student Takatou Iori gets run over by a truck to save a cute first year elementary sc...