Sansha Sanyou(2003)

Sansha Sanyou

The comedy manga follows the everyday life of three very different high school students. Futaba Odagiri is incredibly energetic but is also a glutton. Teru Hayama looks like an angel but she is really a demonic class president. Youko Nishikawa is the daughter of family that used to be a member of the upper class, but after her father's company went bankrupt, they became poor.

(Source: Anime News Network)