Here is the full list of all 19 YOHANE THE PARHELION -BLAZE in the DEEPBLUE- achievements.
Earn every other achievement
Reached the ending
Completed Mari's quest
Completed You's quest
Rescued Mari
Completed Ruby's quest
Rescued Ruby
Completed Hanamaru's quest
Completed Kanan's quest
Completed Riko's quest
Completed Dia's quest
Rescued You
Rescued Hanamaru
Rescued Riko
Rescued Dia
Completed Chika's quest
Rescued Kanan
Rescued Chika
Began Yohane's new adventure