Mahiru Mizuhara

Birthday: October 4
Age: 16
Height: 152 cm
Three Sizes: B74(B) W52 H74
Hobby / Special Skill: housekeeping
Likes: children
Not good at: swimming

Mahiru Mizuhara is the younger sister of Ryu Mizuhara and Reito Mizuhara.

(Source: Official Site, World's End Harem Wiki)