The Elder Sister-Like One

🇯🇵姉なるもの · Ane Naru Mono

MangaSeinenOngoing🇯🇵 First published in 2016EcchiHorrorRomanceSlice of Life

Pochi. Iida story, art

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…

Synopsis via AniList