Ep. 1: Yuri Honjo navigates a surreal rooftop world while fleeing masked figures and uncovering dark secrets.

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Yuri Honjo finds herself stranded on interconnected building roofs with no way down. After witnessing masked figures driving people to suicide, she is attacked by a Mask who destroys her phone. A police officer saves her but is then murdered by another officer, Mizushita, who subsequently assaults Yuri. A masked sniper intervenes, killing Mizushita. Yuri burns the body and takes his weapon. She encounters a Mask in a maid outfit and shoots it, learning that Masks are humans following orders from a God Command. The Command orders the Mask to commit suicide. Shaken by these revelations, Yuri vows to defeat the God Command. She spots a helicopter capable of transporting one person out of the world at specific intervals and heads toward it, only to find a girl threatening a man without a mask.