Upon receiving an invitation to a treasure hunt from the famous mysterious item artist Reinette, Ramune and Kuro visit Reinette's mansion. There they encounter Ayame and Nico, who have also come to participate in the treasure hunt. However, when Ramune sees the man with them, his expression freezes, and he attempts to flee the scene. That man is Ramune's master Momiji!
A famous mysterious item artist named 
Reinette passed away recently.
.فنّان أدوات غامضة مشهور يدعى رينيت مات مؤخرًّا
Un artista de artículos misteriosos
llamado Reinette falleció hace poco.
Un famoso artista di oggetti misteriosi
 chiamato Reinette è morto di recente.
Um artista de itens incógnitos chamado
Reinette faleceu recentemente.
Известный создатель мистических
предметов по имени Рейнетт