Michika Gokubara is a character created for the television anime adaptation of the property. Her name in Japanese is written as 獄薔薇美血華, which translates to Hell's Blood Rose, a theme that is reflected in her visual design and persona. She stands at a height of 164 centimeters. Physically, she is characterized by her black hair, which reaches waist-length, and red eyes. Her appearance is defined by a Gothic Lolita aesthetic, often seen wearing a dress, hair ribbons, and tights, with her hair styled in twintails and a hime cut.

Within the narrative of the anime, Michika is a member of a unit or group known as Karamazov. Her teammates in this group are Deadly Poison Denpa Girl Purple Lollipop, who acts as the leader, and Nechika-sama. She is also identified as a childhood friend of another character named Kache. A notable quote associated with the character is, Rejoice, I'll hate you until the day you die, which gives insight into her dramatic and intense personality.