In Mushi-Uta Bug, the main female character is an ojousama from Ichinokuro corporation who was friends with Hanashiro Mari. After Mari's death, she inherited his bug - a silver Morpho butterfly. Daisuke from SEPB is assigned to monitor her for this unusual occurrence. She wields an iron stick as her weapon and when threatened, the butterfly fuses with it, granting her immense power. However, her control over this power is weaker compared to Maris'. She believes that people possessed by bugs should be treated equally like ordinary humans, which often puts her at odds with Daisuke when dealing with a possessed opponent.