Here is the full list of all 21 reD:起始的旋转之音(The beginning of the Melody) achievements.
Complete the ending one
Complete the ending two
Complete the ending three
Complete the ending four
Complete the ending five
Complete the ending six
View strange people
Win the game battle
Triggering dreams for the first time
Entering the developer room for the first time
The first game over
Read the reD plan
Run away in RPG games
Failed in RPG game
Cat intimacy reaches 9
After the Cat destroys the doll bear
Fast food is eaten all
Talk with Carton man
Burning paper doll
Find the hidden half ID card
Read all the encyclopedias