Ep. 1: Sumireko and Adashino work in a quiet bookshop until a mysterious book arrives just after midnight.
Aired on April 10, 2024

Sumireko and Adashino spend their time working and chatting within the quiet atmosphere of the bookshop where they are employed. Their manager makes an appearance and presents Sumireko with a strange book of unknown origins. Shortly after midnight passes, she casually picks up the volume to read it, leading to an unexpected development.
Episodes
- Ep. 1 · Sumireko and Adashino work in a quiet bookshop until a mysterious book arrives just after midnight.
- Ep. 2 · Sumireko infiltrates Oto's school while Tsukuyomi's curse continues to affect her life.
- Ep. 3 · Horns, Bullying, and a Hair Ornament
- Ep. 4 · Adashino's Request for Oto's Care While Sumireko Writes
- Ep. 5 · Sumireko cares for Oto while Adashino is away, leading to an evening with Uname before a new Curiosity approaches.