Can't Escape Unless We Do It?!

Recently, Asha, the daughter of the chieftain, is curious about one thing: her childhood friend Ru's "chili pepper," that she touched by chance. Its sturdiness and large size aroused her curiosity. But Ru's attitude makes him difficult to approach. Meantime, Asha is put through a trial with Lou, the only candidate of Duuttuum, to succeed her father, who has injured his leg. Right after the two of them entered the cave, the entrance was shut down?!

(Source: Lezhin Entertainment, translated)