Kokkoku: Moment by MomentKokkoku: Moment by Moment.

Kokkoku: Moment by Moment (Japanese: 刻刻, Hepburn: Kokkoku) is a Japanese dark fantasy manga series written and illustrated by Seita Horio. It was serialized in Kodansha's Monthly Morning Two magazine from May 2008 to September 2015, with its chapters collected into eight tankōbon volumes. The manga tells the story of Juri Yukawa, who during a kidnapping of her nephew and brother, discovered that her grandfather can stop time using a mysterious stone and that they can move freely when time is standing still.