Why did Shuicheng Shiranui kill Xuefeng?

Been brainwashed.

Mizuki Shiranui is the mother of the character Mizuki Yukikaze in the work. In the past, her strength was known as that of the strongest Taimanin, Igawa Asaki. She left the frontline mission because of pregnancy and childbirth, and later met her husband. Died in the line of duty, this also became an opportunity for her to return to the front line.

"Action Taimanin" is an action-adventure game in the Taimanin series developed by LiLith and published by Infini-Brain. It was launched on iOS and Android platforms in 2019 and was officially released on Steam on October 6, 2020. release. The background of the game tells the story of a criminal organization colluding with humans and demons, causing evil and chaos around the world, and the story of the demon ninja fighting against the evil heretics.