My twins. Morikawa Yu.

John Simple guy with glasses with naughty red hair and freckles. The only thing he can boast of is friendship with two popular twins at his school - Jekille and Head. They often played others, pretending to be each other. And the only ones who could distinguish between John. But suddenly one of the twins, Jackil, was gone. After that, it seemed to John that he sometimes sees him in Hyde...

So who remained in this world in fact?..