Which of these graphic novels (aka Mangas) is a title by Tsukasa Hojo?

"Angel Heart" is a manga (Japanese graphic novel) series written and illustrated by Tsukasa Hojo published in the Weekly Comic Bunch from 2001 throughout 2010. After the cancellation of Bunch, the manga was renewed in Monthly Comic Zenon under the title of Angel Heart: 2nd Season, which ran from 2010 to 2017.

A young girl stands on top of a building in Shinjuku as she receives a call from her handler. The handler congratulates the girl, known as "Glass Heart" with a job well done regarding her latest kill, which her handler refers to as her 50th. Glass Heart recounts the day's events. She had just killed a man sitting on a park bench with a silenced gun. As she was leaving the park, a small girl runs in with some ice cream and Glass Heart realizes that she has just killed the father of a young girl. With that she jumps off the building, impaling her chest on the iron spiked fence below.

Glass Heart is transported to Taiwan, where she remains in a coma for a year. During that time, she is haunted by the images of the people she has killed, along with the images of the donor Kaori as well as Ryo Saeba of whom she does not know. She wakes up after one year to find out who these people are.

Tsukasa Hojo is a Japanese mangaka, or manga artist. He studied technical design while still at Kyushu Sangyo University, where he began to draw manga. He worked on several one-shot stories before releasing his serialized works: "Cat's Eye", "City Hunter" and "Angel Heart".