Season
Season 1 Episode
- Season 1 The Three Prophecies of Theia
- Season 1 Joint Pep Rally
- Season 1 Hae-yi's Choice
- Season 1 Joint Pep Rally D-day
- Season 1 Theia’s Field Trip
- Season 1 Yoo-min's Return
- Season 1 Misunderstanding
- Season 1 Sun-ho's Weakness
- Season 1 Glorious, Yonhee Festival
- Season 1 Theia’s Field Trip
- Season 1 The Final Choice
- Season 1 Summer Training
- Season 1 Jin-il’s Reasons
- Season 1 Yonhee-Hokyung Rivalry
- Season 1 Hae-yi’s Tragedy
- Season 1 The Future of Theia
Cheer Up - Season 1 Episode 12 Summer Training
6.42 60 minutes Sun-ho is rejected by Hae-yi for the last time. Hae-yi and Jung-woo are now a couple but decide to keep it a secret from the others. Theia goes on a Summer Training camp. They go through passionate training and enjoy a pool party. However, an incident occurs that makes Sun-ja and Hae-yi drift away from each other.
