Ep. 11: Kouta falls ill while overworking on musical preparations, causing friction with friends.
Aired on March 17, 2018

As musical preparations reach their final stage, Kouta overexerts himself, making repeated errors that take a severe physical toll and lead to illness. Yuu and the others rally those around them to cover for Kouta while he recovers. Upon his return, Kouta discovers his friends managed the situation effectively without his direct involvement. This realization leads him to believe they do not need him, creating emotional distance. When Yuu and the others attempt to understand his sudden withdrawal and distress, Kouta unexpectedly explodes in anger at them, revealing deep-seated insecurities about his role within the group.
Episodes
- Ep. 7 · The Sanrio Boys Enjoy a Joyful Holiday at Puroland
- Ep. 8 · Kouta seeks ways to sparkle through various club activities with friends
- Ep. 9 · The boys retreat to Seiichirou's family vacation home to plan a musical but struggle without experience.
- Ep. 10 · Ryo Faces Family Move to London Amidst School Festival Preparations
- Ep. 11 · Kouta falls ill while overworking on musical preparations, causing friction with friends.
- Ep. 12 · The boys prepare for the musical performance while Kouta finds his purpose.