Mushiuta

Mushi-uta's story takes place in the near future. Ten years before the story's opening, strange insect-like creatures known as "Mushi" began appearing. The Mushi are able to consume peoples' dreams and thoughts in return for supernatural powers.Protagonist Daisuke "Kakkou" Kusuriya encounters a young girl named Shiika Anmoto. The two, in time, become quite close. However, unbeknownst to Kakkou, Shiika is an escapee from a secret prison known as GARDEN where those possessed by the Mushi, known as the Mushitsuki are held. GARDEN's military force, the Special Environmental Conservation Executive Office, dispatches its finest killer to track down Shiika. However, they are faced with resistance from the Mushibane resistance organization, led by the secretive "Ladybird". (Source: Anime News Network)

After the death of her close friend Mari Hanashiro, Arisu Ichinokuro inherits Mari's Mushi (insect-like creatures that consume peoples' dreams and thoughts in return for supernatural powers), Morpho Butterfly. In order to find out the reason she was given her Mushi, Arisu sets out to find out more about Mushi and Mushitsuki with the aid of Daisuke "Kakkou" Kusuriya, an agent of the Special Environmental Conservation Executive Office assigned to be her bodyguard.