Manga like My Friend's Sister

Ranked by AniList's community-voted "readers also liked" data and how often forum discussions mention a title alongside My Friend's Sister.

1. My Sister's Friends 70 1 community votes
2. 12 Years Apart 1 community votes
3. The Woman Next Door 1 community votes
4. My Friend's Big Sister's Got a Big Punishment for Me! community pick

Ask Tsundoku for a personal pick

Tsundoku reads the actual forum threads and your own AniList history before it recommends anything — every answer shows its sources.