It finished in the magazine in July 2023, and moved to the Yanmaga Web website and app in September of the same year.

Chika Amagi is nearly raped when her Medusa Syndrome kicks in and she kills the attackers.

She is disowned by her parents as she is arrested and sentenced to Haguro Island Prison along with other sufferers of Medusa Syndrome.

Once there, she struggles to survive as the corrupt staff encourages the girls to trigger their murderous personalities so they can fight and kill each other.

[6] The series finished in Weekly Young Magazine on July 28, 2023, and moved to the Yanmaga Web manga website and app on September 6 of the same year.