E's Otherwise - 1x07 - Purple Destiny- Followmy.tv

Kai and Yuki are hired at a library to capture a man wearing a purple mask, who is after the first edition of a comic book series. Leonid, an acquaintance of Yuki, later finds the two in the library. When the masked man appears, it is revealed that he has psychic powers and has been identified as a comic book enthusiast. The masked man becomes weak after using up his powers after being chased.