Jack Frost (잭 프로스트) is a complete manhwa series by Jinho Ko (고진호).

[1] Jack Frost follows the story of Noh-A Joo, the new student at Amityville High School.

Caught in an interschool war between vampires, monsters, and other creatures, she must quickly learn what her new role is as the "mirror image," and how to handle the mysterious Jack Frost.

Noh-A is excited to learn that she is a mirror image, and does not show any signs of unhappiness at her new role in Amityville.

Jack declares that the mirror image is just a tool and, in the English version, says she should concern herself with his "home work."

Also, his main weaponry is his lightning fast reactions, and also blades and armored gauntlets which appear from his lower arms.

In Violence 14 it is revealed that the coat is called Devil Thread and once belonged one of the "Immortalizer" Ji-Hon Hansen is the former Head Guidance Counselor of the West District.

When he first joined the North District, Hansen was assigned to perform cleaning and maintenance, though he wasn't very apt.

According to Hansen himself, he likes his women with glasses, long hair and "a voluptuous body", to which Helmina fits the bill.

PopCultureShock's Ken Haley graded Jack Frost with a B−, praising the illustrations as "slick and stylish", but criticizing the characters as being "almost all one-note".