Ep. 11: Koyuki feels sad about his lack of growth as he gets older
Aired on March 21, 2020

Koyuki is feeling depressed because he is not growing taller as he ages. His friends attempt to lift his spirits and help him feel better about his situation. The episode focuses on his emotional state regarding his physical development and whether his companions can successfully improve his mood.
Episodes
- Ep. 7 · Koyuki must control his screaming to help his class win the school festival competition
- Ep. 8 · Miguel's increasing power leaves Koyuki struggling with his studies
- Ep. 9 · The group embarks on a field trip to the local day care center.
- Ep. 10 · Characters prepare for a new year filled with anticipated insanity as New Year arrives
- Ep. 11 · Koyuki feels sad about his lack of growth as he gets older
- Ep. 12 · Koyuki faces the end of high school and questions if others will follow him to college