| This article contains spoilers from the manga that has not been shown in the anime. Please continue reading at your own risks.|
- At the end of the Day 3, Yotsuba is seen near the bonfire.
- Yotsuba is revealed to be the "collapsed quint" in the hospital.
- Yotsuba is seen checking the stalls and their safety procedures.
- Later, Raiha and Isanari watch Yotsuba perform her role in the drama play.
- The president of the drama club asks Yotsuba to perform an improved version of her role on Day 2 and 3 as well.
- Yotsuba helps Fuutarou before the 3 pm. meeting of Day 1 and gives him a Karaage coupon.
- Yotsuba becomes aware of the burning stall.
- Yotsuba starts helping on Day 2 since early in the morning.
- Yotsuba feels troubled for all the bad things happening on the festival.
- Takebayashi encounters Yotsuba.
- Yotsuba wakes up in the hospital, having collapsed at school, with Nino by her side looking after her.
- Yotsuba gets up and plans to return to school.
- Nino reveals to Yotsuba that Day 2 is already over.
List of characters in order of their appearance:
- "But...what if...he chooses me?" - Yotsuba Nakano[page 12]
- "Ah, there you are! You're Fuutarou's friend, right?" - Takebayashi[page 17]
- Takebayashi has an encounter with Yotsuba, making her the third quintuplet she meets at the festival.
- Yotsuba gives Fuutarou a Karaage coupon on Day 1, which may be the thing he has seen grabbing on his pocket in Chapter 100 and in Ichika Side 2.