姉ちゃんの友達がうざい話
Parent Story
The Story of a Guy Who Fell in Love with His Friend’s Sister
Tomodachi no Nee-chan ni Koishita Hanashi· 友達の姉ちゃんに恋した話
manga
73
A story about falling in love with a friend's sister.
Alternative
My Older Sister's Friend is Annoying
Nee-chan no Tomodachi ga Uzai Hanashi· 姉ちゃんの友達がうざい話
manga
and 3 more
61
70
High school freshman Hisashi Misumi has known Sena Ikuta, his sister Rio's best friend, since elementary school. Sena treats him like a little brother, which annoys him, for some reason...? (Source: Comic Pool, translated)