My Friend's Little Sister Has It in for Me!

🇯🇵友達の妹が俺にだけウザイ · Tomodachi no Imouto ga Ore ni dake Uzai

MangaShounenOngoing🇯🇵 First published in 2019ComedyRomanceSlice of Life

Hiraoka Hira story, art · Ghost Mikawa story

“My best friend is the only one who has my spare keys, but for some reason, his little sister always sneaks into my room...” Ooboshi Akiteru is a high school boy who is the very definition of ordinary.

Synopsis via AniList