Sanemi was a very popular senior student. He had short messy white hair, purple eyes and normally wore tight clothing to show his muscles and scars.

Sanemi was friends with a whole bunch of people. Kanae, Shinobu first. First losing Kanae to a murder. Sanemi had no idea who would murder someone. He got another friend, Obanai. A couple days later, Obanai passed away alongside Shinobu. Shinobu of murder and Obanai of unaliving himself. Sanemi still had two friends, Giyuu and Mitsuri. He had no idea, Giyuu was obsessed with Sanemi and killing everyone who got very close to Sanemi or who even had interest in Sanemi. Mitsuri was the only other friend Giyuu had besides Sanemi newly coming in.

Sanemi told them his brother Genya was coming with Genya's bf, Muichiro. When Genya arrived, he didn't trust Giyuu. Days later, Genya and Muichiro were gone. Sanemi was sad, thinking something was wrong with him since everyone around him always passed away except Giyuu and Mitsuri. Eventually, Giyuu got caught after unaliving Muichiro by Sanemi. Giyuu got arrested and had to go for trial of murder. Sanemi decided to protect Giyuu, needing to defend him in court trial. He developed feelings for Giyuu and had to defend him. The day of the trial came. There was private investigator, Gyomei Himejima who accused Giyuu of the murder of the beginning of Kanae Kocho. Sanemi later arrived to defend his friend. Sanemi only had knowledge of Muichiro's death. Not the rest of his friends or his brother but he was willing to defend. He believed Giyuu did not kill Kanae although Giyuu did. Sanemi arrived. "...."