Successfully complete the listed task to unlock the corresponding achievement.

Achievement	How to unlock
Ageha Happy Ending	Completed with "Ageha" Happy Ending.
Ageha Super Happy Ending	Completed with "Ageha" Super Happy Ending.
All Endings	Completed with All Endings.
Asagiri Happy Ending	Completed with "Asagiri" Happy Ending.
Asagiri Super Happy Ending	Completed with "Asagiri" Super Happy Ending.
Gakuto Happy Ending	Completed with "Gakuto" Happy Ending.
Gakuto Super Happy Ending	Completed with "Gakuto" Super Happy Ending.
Takigawa Happy Ending	Completed with "Takigawa" Happy Ending.
Utsusemi Happy Ending	Completed with "Utsusemi" Happy Ending.
Utsusemi Super Happy Ending	Completed with "Utsusemi" Super Happy Ending.
Welcome to Ohgiya	Completed the Prologue.