Ep. 3: Rintaro guides Amadeus Kurisu through Akihabara while Mayuri organizes the lab Christmas party.
Aired on April 26, 2018

Mayuri Shiina prepares a Christmas gathering for the lab staff. Rintaro secretly shows Amadeus Kurisu around Akihabara and the facility. Leskinen and Maho join the event on Christmas Eve. Suzuha mistakes the gathering for an ambush and nearly attacks Yuki. During the party, Mayuri overhears Rintaro speaking cheerfully with Amadeus Kurisu. Maho intervenes to remind him that the real Kurisu remains deceased. This reminder causes Rintaro to experience a strange sensation while others enjoy the celebration. The secret nature of Amadeus Kurisu creates tension among the group as they navigate the holiday event and its unexpected complications.
Episodes
- Ep. 1 · Rintaro attends a seminar where Alexis Leskinen and Maho Hiyajo present the Amadeus AI program.
- Ep. 2 · Rintaro interacts with an AI version of Kurisu based on her memories from eight months ago.
- Ep. 3 · Rintaro guides Amadeus Kurisu through Akihabara while Mayuri organizes the lab Christmas party.
- Ep. 4 · Rintaro experiences a war vision while Suzuha seeks Mayuri's future daughter
- Ep. 5 · Moeka and Daru search for Kagari while Rintaro deals with a misunderstanding involving Judy Reyes.
- Ep. 6 · Kagari and Mayuri bond while Rintaro tasks Moeka with finding Kagari's pursuers
- Ep. 7 · Yugo Disarms Abductors While Rintaro Seeks His Aid and Kurisu Survives in New World Line