Tou Uicchi Seru!

is a Japanese light novel series written by Ginga Isshiki, with illustrations by Hizuki Yayoi. The series began publication on May 10, 2009 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
A very shy blonde girl, Misuzugawa Esther, and a graceful and friendly girl, Sakura Kurose. I've always been concerned about those two people (mainly my favorite type of Sakura-chan) who are always together. But for some reason,I find out why they've been together all the time. Yes, by becoming "Sakura-chan" ...

What's that !? What's the situation !? No, it's true that boys dream once! But "witch" or "magic" is Nani !?

And what I have to do ── ??