Four people intent on killing themselves meet through the suicide website Black Paradox: Maruso, a nurse who despairs about the future; Taburo, a man who is tortured by his doppelganger; Pii-tan, an engineer with his own robot clone; and Baracchi, a woman who agonizes about the birthmark on her face. They wander together in search of the perfect death, fatefully opening a door that leads them to a rather bizarre destiny...

Included one-shots: Name Onna, Kaiki Pavilion (Strange Pavilion)

Black Paradox was published in English by VIZ Media under the VIZ Signature imprint on October 25, 2022. The English version does not include the one-shot "Name Onna." The series was also published in Spanish by ECC Comics on May 30, 2014, and in Polish by Japonica Polonica Fantastica on February 17, 2014, as part of Mega Manga series.