Tenma Tsukasa

(Using the plot of my series called "Us, The World, and Our Dining Table")
In a world where supernaturals and humans coexist, Tsukasa and Rui are two supernaturals desiring to live as ordinary high school boys. Tsukasa can shatter anyone he touches into pieces (so he wears gloves all the time), while Rui is somewhat a doll, allowing him to regenerate when consuming blood (Tsukasa can't really shatter him). They try to enjoy their daily life, but funky things keep happening.

Tsukasa could shatter anyone he touched into pieces (like a mirror), so he kept his gloves on at all times. Rui was born a supernatural, too, and he made a contract with a certain cat, gaining him the regenerating ability. He could reattach his body parts and play around with them. They would stick back as long as he consumed blood or flesh. Tsukasa's touch doesn't shatter him.