Shinobu Iijima, who lost his life along with his sister in a sudden disaster, finds himself reincarnated into the world of *La Vita Online*, a game he used to play as a hobby. And what’s more, he’s at Level 1 Learning that his sister has also been reincarnated into this world, Shinobu begins a grueling leveling journey to gain the strength needed to compete with max-level players.