is a Japanese manga series written and illustrated by Tomo Sawara. It has been serialized in Shogakukan's manga magazine Monthly Big Comic Spirits since September 2016.
Written and illustrated by Keita Yatera, Hen na Mono Mikke! has been serialized in Shogakukan's manga magazine Monthly Big Comic Spirits since September 27, 2016. Shogakukan has collected its chapters into individual volumes. The first volume was released on July 12, 2017. As of October 10, 2025, twelve volumes have been released.