Here is the full list of all 14 Sakura Forest Girls 3 achievements.
Those aren't exactly hairbands...
Enjoy a moment in the chocolate River
You're getting used to Maia's clinginess
No chance for rescue
Enjoy your break in a hotspring
Not a Villain, per se
A Gooey Victory is still a Victory
Witness Aiyana's Power
Watch Maia make Aiyana 'happy'
A Piggyback Ride Home
Play in the River
See Koko and Mika snuggle
Meet a familiar face after a long journey
Who found who exactly?