After quitting her detective job, Rena starts working at the same cabaret club as Imai to try and learn about Mystery Kiss's history, and in return she reunites him with a certain taxi driver. Sato learns more about Rena's past.
Romantic engineering? 
That's something we do?
هندسة رومانسيّة؟ أهذا شيء نقوم به؟
Liebeskonstruktion?
¿Ingeniería romántica?
¿Nosotros hacemos de eso?
¿Ingeniería romántica?
¿Nosotros hacemos de eso?
Comment ça, l’amour ?
Ingegneria romantica? Facciamo anche questo?
Engenharia romântica?
A gente faz isso?
Манипуляции любовью…