Here is the full list of all 16 Miko Gakkou Monogatari: Kaede Episode achievements.
Finished with normal ending
Finished with best ending
Finished with worst ending
Finished with Honoka ending
Finished with Tama ending
Finished with Kiki ending
Finished all endings
Beat Honoka
Prayed at school once
Prayed at forest once
Prayed at least 10 times
Prayed at least 25 times
Ignored Tsukasa and Kiki
Listened to Kiki
Started Ami and Yuka story
Finished Ami and Yuka story