Here is the full list of all 10 BlackberryNOVA achievements.
You have finished story 2
You have finished the hidden route
You have finished story 1
You won the game event
You built a relationship with Aika and Yukino
You've made chicken shawarma
You've made beef stew meat with rice
You built a relationship with Yukino
You built a relationship with Eri
You've made stew pork with potato