Maou na Ore to Fushihime no Yubiwa - Vol. 2 Ch. 10 - Kyoko's Feelings

[MangaDex]

 

[SpecialProjectY]

Okay, what's with that kay pendant? Kyoko cooled down and gave up so suddenly when she saw it...

Kyoko weakened and approached by that crazy bitch, I smell trouble...

 

[WalkingTargetPractice]

Key seems important, wonder what it opens. Probably a toy box they had as kids or something considering it looks like a toy key