Chainsaw Man Cosmos Devil. Cosmo (コスモ Kosumo?) is the Cosmos Fiend (コスモスの魔人 Kosumosu no majin?), and was one of Quanxi's girlfriends. Chainsaw Man series takes place in a world that is filled with devils.
Chainsaw Man is an action manga series created by Tatsuki Fujimoto and serialized in Weekly Shōnen Jump. Thanks to a Devil dog he saved named Pochita Pochita's chainsaw powers come in handy against these powerful demons. And when Denji wakes up, he is now Chainsaw Man!
Denji's life of poverty is changed forever when he merges with his pet chainsaw dog, Pochita!
Cosmos devil (Overwhelms opponent with information).
The series follows the exploits of Denji, a teenager Makima is a character from the Chainsaw Man manga series. She is definitely one of the strongest devils in chainsaw man. Devils are the embodiment of humanity's fear of certain things.