What is couple app?
Couple, formerly Pair, was a mobile app that provided a mobile messaging service for two people, especially romantic couples. Like many mobile phone messaging applications, Couple allows users to share text, photos, video and other content. The app is no longer available on iPhone and Android.
What does CG stand for Otome?
At certain points, or when the player passes certain requirements, special events can occur, often with a CG (computer graphic) as a reward. This CG is a set picture featuring the love interest and sometimes the main character in a pose, and some dialogue.