A fashion designer and the keyboardist for the band 'C.Y.S,' but her true identity is one of the Four Heavenly Kings of Orochi, alongside Yashiro and Chris. A hardcore professional wrestling fan, she specializes in grappling techniques that utilize her flexibility. She often acts in a whimsical, 'my pace' manner, acting cute to those around her. She possesses a kind and cheerful personality. Among her teammates, she is closest to Chris, often chatting or playing around with him. She is the only member of the New Faces Team with a steady job. Yashiro is a freelancer and often gets nagged by Shermie to find a real job. Chris, being a minor, cannot have a job and stays at Yashiro's place doing housework. Her true form is 'Shermie of the Insanely Orchestrated Lightning,' one of the powerful Four Heavenly Kings among the Hakkesshu. Excluding Goenitz, whose pre-awakening state is unknown, she undergoes the most drastic personality shift among the Four Kings. However, she seems to enjoy her human life quite a bit, including her work as a designer and her band activities. She appears less bitter than Yashiro, who holds a personal grudge against Iori Yagami for ruining their band schedule. In the Awakened Orochi Team ending of KOF XV, while Chris loves the world after humanity's extinction without regret, Yashiro grumbles that it's boring, seemingly missing his human life. Shermie similarly says, 'This is paradise for the Orochi clan... but...' in a voice tinged with lingering regret. With a bust of 92cm, she tied for first place in KOF with Angel and even has a move called 'F-Cup Chew.' However, in fan art and actual gameplay, her 'Happy Grab'—performed with thighs as voluptuous as her chest—has become her trademark. Furthermore, her relationship with Guest is one of pure, devoted love. In Guest's case, they have looked only at her with unwavering devotion, regardless of her role as a sacrifice for Orochi. They have since become an official couple recognized by Yashiro and Chris, and they continue to maintain a sticky, dense, and intimate romantic relationship.