In the country of Hinomoto there is a sect called Lunar whose belief "Death is Happiness." Within this sect, there is a teacher, Momo, who thinks otherwise. One day she will get to know Ten, a curious young man that fell from the sky. Together they go on an adventure.

Shikkoku no Ten was published digitally in English as Pitch-Black Ten by Kodansha Comics USA from January 3 to February 27, 2018.