(Dual male protagonists, double cleansers, double endings)
It's impossible for the experimental subject to fall in love with the experimenter, right? But Experimental Subject No. 34 Proved it with his body. The experimenter he liked wished well and named him judgment. Mermaid feet, they performed the duties of the underworld in the human world. In their world, there is no underworld, only the legendary mermaid judges. Pray for peace, a little experimenter? There are too many secrets hidden in him, which need us to dig out bit by bit.
Concept: A little inspiration from the brain