Mushi-Uta bug

Arisu Ichinokuro receives the Mushi Morpho Butterfly from her late friend Mari Hanashiro. These creatures feed on people's dreams and thoughts to grant supernatural abilities. Seeking to understand why she was chosen, Arisu investigates Mushi and Mushitsuki with the help of Daisuke "Kakkou" Kusuriya, a bodyguard from the Special Environmental Conservation Executive Office.