After the first Gate opened in 2018, Lim Dae-In survived for 20 years on Earth while being connected to other dimensions. The day after his long-awaited retirement celebration, he regresses by 20 years, back...

1-2) Tensei Shitara Shima Kousaku datta Ken 3-4) Kachou Shima Kousaku 5-6 5) Tensei Shitara Slime datta Ken 1

One day, I was summoned to this world. Beasts were everywhere and an unbelievable crisis was approaching. My talent level was at the bottom. [Your talent level is at its lowest.] [Almost all the stats are a...