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Adapted from the doujinshi series of the same name, The Demon Who Became My Sister is a heart-warming story of how a neglected orphan, Yuu, has been blessed with the offering of a free wish by a demon, and he simply asks her to become his older sister.
Yuu has had a rough life. After losing his parents in a car accident when he was five, he found himself bounced back and forth among relatives, with no place to truly call home. Plagued by a constant feeling of loneliness, all he wants is a little companionship, and he's about to get way more than he bargained for! Her name is Chiyo, and she'll grant Yuu one wish. The only problem: She's a demon of unimaginable power!
A Momentous Debut! High school gamer Masato Oosuki is stoked to be transported into a video game world and given the chance to show off his chops...but why is his doting, embarrassing mother in the game with him too?! And why is she so good at it?! Welcome to a whole new kind of momcom role-playing adventure based on the original light novel series!
Oosuki Masato is an ordinary high school boy who is magically transported to an alternative world, but for some reason his doting, over-protective mother comes along as well.