After Haruto tells him how he feels about Miyako, Itsuki promises to help him out. Around the same time, Nayuta, who sees Miyako as an older sister, tells him that she wants to have a birthday party for her. Itsuki and Nayuta have difficulties trying to figure out what to get Miyako for her birthday, so Nayuta asks her who her favorite author is, and she responds with Itsuki. Nayuta feels jealousy toward Itsuki for the first time, since they’re both authors. What was the gift that Nayuta ended up getting Miyako?
I thought I'd feel more grown 
up in my twenties, I guess?
Ich hätte gedacht, mit über 20 ist man erwachsener, würde ich sagen …
Pensé que me sentiría más madura
al llegar a la veintena.
Pensé que me sentiría más madura
al llegar a la veintena.
Je pensais que je serais plus adulte
en ayant la vingtaine…
Pensavo che passati i vent'anni
mi sarei sentita più adulta, forse?
Pensei que aos vinte anos eu
seria mais madura. Algo assim.
Я раньше думала, что
после двадцати буду повзрослее…