Struggling streamer Miko Kurono joins the new VR game "KADATH" to change her fate, after a wave of mysterious incidents where popular streamers collapse during livestreams. She soon discovers the game is a deadly trap by the gods and must survive the unfolding cosmic horror.

The first game against the Great Old Ones begins.

Eita adds a new rule to the game.

The Great Old Ones' next game is an escape room.

The streamers attend the third game of the Cosmic Horror Show, this time hosted by Ghatanothoa.

The Great Old Ones manifest in the real world for a day of fun.

The battle to defend Kyoto from the Great Old Ones' armies begins.

Humanity begins to go mad as the last game approaches.

The last game begins at the Mountains of Madness.

Ghatanothoa makes a special game for Kanna to play.

In the final phase, Miko has to overcome a lot of obstacles if she wants to reach Cthulhu.

The last game begins.