Katekyo Hitman Reborn! dj - Aru Hi no Ookami no Hiroimono

From [The Unholy Trinity Mafia](https://www.mangaupdates.com/groups.html?id=1514): The first story of the "Apple of Eden" Series. This is a super cute story about how the wolf Hibari and the rabbit Tsuna will start their lives together. So of course, the pairing is 1827.