Seichou Cheat de Nandemo Dekiru You ni Natta ga, Mushoku Dake wa Yamerarenai You Desu

Ichinosuke had applied for jobs 100 times without success. His streak of rejections was still ongoing when he got into a fatal accident with a truck on the way to yet another interview. But fortunately for him, a Goddess granted him the power to grow at a rate 400 times faster than normal and transported him to a game-like world.
Realizing that his newfound abilities wouldn’t amount to much if he remained unemployed, Ichinosuke made it his mission to land a job. But as he soon discovered, fate seemed determined to keep him without work. In this world of Growth and Joblessness cheats, a record of Ichinosuke’s adventures – which the job-placement agency would undoubtedly classify as a dangerous book – begins.