あらすじ
A fantasy adventure about bonds forged with people in a different world. The setting is a world, where everyone has eight skill slots. In these slots people can put skills like “Strengthen arm (1 star rarity)” and “Fire Magic (2 star rarity)” from skill orbs, abilities which prove extremely useful for survival. The total amount of stars your skills have can never exceed your slots. Our protagonist Reiji, worked as a slave that mines skill orbs, until 10 years old.
あらすじはAniListより（英語）。