Haato(ハート; Heart) was a sub unit under Hello! Project to promote the Hello! Disney Promotion series.
They were a one shot group who disband after Lei Huian graduated from the group.
On January 5, the group was formed with two Morning Musume members and one member from Shiko Jikan.
On June 23, Haato release their debut and final single, Snow White no Story ~Seven Dwarfs~.
On October 23, after Lei Huian graduated from Hello! Project, the group disbanded.
- [2009.06.23] Snow White no Story ~Seven Dwarfs~
- This was Lei Huian's first and final sub group.