無限再生する怪物を滅ぼす力を持つジュゲムと、彼をサポートする少女《ネオ》。リンネは彼らの素性や、怪物の正体、そしてジュゲムが口にした言葉《マスターオーブ》について問うが二人は答えない。だが次の日、リンネは授業中に校内を徘徊するジュゲムの姿を見つけてしまい――
Jugemu has the power to destroy the infinitely regenerating monsters, and the girl who supports him, Neo. Rinne asks them about their backgrounds, the monsters' true identities, and the words Jugemu spoke, "Master Orb," but they don't answer. However, the next day, Rinne spots Jugemu wandering around the school during class...
