Daisuke Niwa

Typical 14-year-old schoolboy with a crush on Risa Harada. On his 14th birthday, his "love gene" activates, causing him to turn into Dark Mousy whenever he feels love; even a picture can trigger the gene. Daisuke is very kind-hearted, and often tries to stop Dark from doing crazy stunts, such as stealing art and flirting with girls. and he starts to like riku.