ทาสรักกาแฟ

You can borrow a friend's Himeko. 6 battles in a row in Calyx is considered a single battle.

This achievement has no cultural references in the English and Chinese versions. "Coffee" is some sort of mud water drank by people around the world for it's flavor, caffeine, and to flex their brand association. "I ordered a Starbucks today and they spelt my name wrong!"