You entered isekai and become one of main characters who have magical powers. In chapter 97, you have to do 'Dancing till Death' to save your team. The dance to keep casting magic to kill monsters that keep appearing out of nowhere. Sadly, in the story, this dance will drain your mana till you die, but you don't have other choice.

On a team with Scara, who is good at dancing, you asked him to teach you, but you can't tell him your real reason.

"Teach you to dance? Huh, i don't want to."