Start the game :)
Complete chat with IV
Get ending -1
Complete Episode 9
Finish AV memories.
Complete Episode 13 IV
Complete Episode 13 AV
Enable dark mode
Check +200 fan arts of the gallery
Play +3 hours
Play +10 hours
Complete christmas extra episodes
Find Roxy's hat
Complete R episodes of IV
Complete R episodes of AV
Unlock all flowers of the main menu
Get all extra endings
Get all endings of the main story