Here is the full list of all 14 Sakura Knight 3 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Finally ever after...
Achieve Tart's ending
Achieve Rune's ending
Play poker vs. a cheater
Achieve Felicia's ending
After such a long time
Different than expected
Be prepared for Saga's mighty attack!
Tame yourself a pet wolf
It's good for the skin, right?
Get comforted by Felicia
Share a sweet k...strawberry
Meet Saga involuntarily
Have a wholesome moment