Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Accidents happen	Push rival off the roof.
Chapter 1	Student of Class 2-1, Not a member of any clubs, Spends most of her time with her friend Eriko SAKURA.
Chapter 2	Student of Class 3-1. Came somewhere from Europe. She likes Maiko SONO and that's enough.
Chapter 3	School baseball team members. They insist to train all time with Makio and don't allow girls to be on the baseball field.
Chapter 4	Student of Class 2-1. She is arranged wife for Makio SONO. Transferred to same school to study with her future husband.
Chapter 5	A school nurse, who wants to catch up missed out on school love.
Dangerous WC	Perform kill in toilet.
Nightmare 1	It was just a nightmare...
Nightmare 2	I've gotta do something with these nightmares...
Nightmare 3	That's a nice dream! I hope it comes true.
Nightmare 4	Already morning? Oh, that was not real...
Smoking Kills	Kill smoking character.
Tea after school	Have some tea And cake.