This fiction takes place after the most recent chapter of Houseki No Kuni, ch.78 Progress. Obviously, it contains SPOILERS. After Phosphophyllite's failure to negotiate with Sensei, the gems have broken him into pieces and separated his body to hide him from the Lunarians. However, an unexpected anomaly occurs from Phosphophyllite in which Shinsha (Cinnabar) is burdened with the responsibility of handling, much to his dismay.