I'm Standing on a Million Lives (100万の命の上に俺は立っている, Hyakuman no Inochi no Ue ni Ore wa Tatte Iru) is a Japanese manga series written by Naoki Yamakawa and illustrated by Akinari Nao.
Yuusuke Yotsuya, Iu Shindo, and Kusue Hakozaki were transported by a mysterious half-faced creature to do his play, asking them quests to complete the game within the duration.
As bonus, they are almost set as immortals, respawning after they die, if at least one of them survives until the time limit expires.
I'm Standing on a Million Lives is written by Naoki Yamakawa and illustrated by Akinari Nao.
It was produced by Maho Film and directed by Kumiko Habara, with Takao Yoshioka writing the scripts, Eri Kojima and Toshihide Masudate designing the characters, and Ken Ito composing the music.