Manga like Oni to x no Hanashi

Ranked by AniList's community-voted "readers also liked" data and how often forum discussions mention a title alongside Oni to x no Hanashi.

1. Kagakusha to XXXX no Hanashi 2 community votes
2. Happy Happy Birthday 58 1 community votes

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