This is a text message in Zen's route, Day 9. Should I not really receive any reply from him or is this some kind of bug? The same thing happened in Jumin's
Walkthrough Mystic Messenger: Jumin ~ Day 9 | CapiOra
Mystic Messenger - ZEN ROUTE || Day 9 (Part 1) - YouTube
I want to say the top answer SO BAD!! (Zen's route, day 9) : r/ mysticmessenger
Mystic Messenger - ZEN TELLS MC "I LOVE YOU" [Zen's Route | Day 9] - YouTube
The "dress up as a butler" option was worthy enough. Zen route, day 9, incoming call after 23:10 chat. : r/mysticmessenger