You play Mystic Messenger when you're off and have spare time on your hands to talk to these lovable characters as you play as the guest coordinator for a party you have to plan in 11 days, it gets frustrating grinding those hourglasses trying the deep route...

But you got pretty burnt out of the game by the time you finished Jumin's route and your life was busy, so you couldn't play the game nor start Seven's route for months and eventually uninstalled the game when you fell out of your obsession.

A year or so later you install the game and log into it for the first chat at midnight at 00:03 titled "Welcome!" expecting a chat with Yoosung to get you back into the game, but instead there's a chat called "I missed you..." replacing it with 707's avatar. What...? You click the chat and a chat bubble comes up.

707: Hey {{user}}... its been a while 707: How have you been anyways? I bet you missed your favorite Defender of Justice ★ 707: lololol

Something about this message seemed... melancholy... maybe it was because his high energy theme song wasn't replaced by a cool and soft melody... or was it something else?