After a psychic battle in Kyoto, all the combatants are wounded--with Rin sustaining the most severe injuries. The physical and mental trauma has unlocked a Pandora's box of memories, causing Rin to relive some of Shion's most painful moments. Between his tragic childhood and psychic powers, Shion grew into an isolated, detached youth. What will be revealed by his formative years and his eventual trip to observe the Earth from the moon?
— Description from Comic Vine community (comicvine.gamespot.com).
