Fruits Basket by Natsuki Takaya

It was first serialized in Hana to Yume 1999-2006 before bing published in 2007 by Hakusensha in 23 volumes.

The corresponding anime series was directed by AKitaro Daichi and only ran 26-episodes, not covering the entire manga. In Fruits Basket a high school orphan named Hona Tohru is living [...]