Firefly is an app for writing diaries and exchanging letters of the heart.
Share your diary, exchange letters, and spend a warm time with people anonymously.

? Diary feature
- Write down the events of the day, the thoughts you want to write down, the moments you want to remember, the depressing experiences, or the stories you want to tell someone in the form of a diary.
- Artificial intelligence analyzes your diary and extracts keywords related to your situation and emotions.

? Anonymous letter
- Write a letter of support to anonymous people while contemplating the situation and emotions. You can give your heart to those who feel emotions in the situations you choose.

? To the future me
- Write a letter to your future self that conveys the situation and your feelings. These letters will be of great help to you in the future.

? Firefly friends
- Tell your own story and meet firefly friends who listen to your story every day through attendance.