| Lesson 1 |
Powerful stimulus |
| Lesson 2 |
Yumi's Decision, Woong's Decision |
| Lesson 3 |
The Patrol Squad is On Vacation |
| Lesson 4 |
Ultra-Yumi and Ultro-Sia |
| Lesson 5 |
The Abscence of Travel cell |
| Lesson 6 |
To Where |
| Lesson 7 |
Reserve a Room |
| Lesson 8 |
Conflict of Opinions |
| Lesson 9 |
Class One Secret |
| Lesson 10 |
The Long-awaited Opportunity |
| Lesson 11 |
Ice Woong |
| Lesson 12 |
Cast a Spell |
| Lesson 13 |
Pretending |
| Lesson 14 |
Sia Doesn't Know About No. 4 |
| Lesson 15 |
I Thought You Were Just Friends |
| Lesson 16 |
Yumi VS Sia |
| Lesson 17 |
A Hidden Card |
| Lesson 18 |
Good Job, Rational Cell |
| Lesson 19 |
Wariness |
| Lesson 20 |
Clue |
| Lesson 21 |
Whats So Great About Me |
| Lesson 22 |
I'll Teach You a Simple Way |
| Lesson 23 |
Spot the Difference |
| Lesson 24 |
He Seems Just Fine |
| Lesson 25 |
Endorphin |
| Lesson 26 |
Choochie Coo |
| Lesson 27 |
Unexpected |
| Lesson 28 |
Stubborn |
| Lesson 29 |
Organization Freak |
| Lesson 30 |
Play Checkmate |
