水無月 徹

Minazuki Tooru (born Takenaka Takashi (竹中 崇) on February 28th), is a Japanese freelance illustrator. He used to work for Aquaplus, Leaf, PlayM, and TGL. 

When working together with Takahashi Tatsuya, they share the pen name, "Takahiko Tatsuya (高彦 達哉)".