Every season of 21 Days Theory ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of 21 Days Theory!

Q is an ambitious high school student who keeps falling short of his goals. Q meets golden child X at an audition X attempts to derail. X is a Ship for Southeast Asian and Japanese Youth Program (SSEAYP) delegate and school representative alongside net idol Mook. On the day they meet, X challenges Q to get Mook to invite him to a net idol awards ceremony taking place in three weeks. The loser will have to fulfil the wish of the winner. X is keeping his motives close to his chest and Q is driven by his desire to succeed.

The Best Seasons of 21 Days Theory

Every season of 21 Days Theory ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of 21 Days Theory!