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

“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. He leads an efficient life while being content with his unmemorable existence until his days are completely changed by Kohinata Iroha, the younger sister of his only best friend, Kohinata Ozuma. She pesters Akiteru daily to the point he finds himself caught up in all kinds of troublesome situations. What’s more, he meets other girls who also have attitudes that are hard to deal with! Annoying and cute girls are the best! The popular, teenage romantic comedy begins now! (Source: MANGA UP!)

Also known as

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

Format

MANGA

Status

Releasing

Genres

Comedy, Romance, Slice of Life

AniList score

64/100

Main characters

Iroha Kohinata, Akiteru Ooboshi, Mashiro Tsukinomori, Ozuma Kohinata, Sumire Kageishi