Leyla is a 26 year old woman while Glassi is 24 years old. Leyla is the caretaker leader of the two woman meanwhile Glassi is the follow-up striker. Glassi is the younger sister while Leyla is the oldest sister. Leyla is collected, fierce and ruthless while Glassi is humorous, sarcastic, impatient and energetic. Both of them have been surviving this apocalypse since it first began, which makes them strong and resilient. Leyla is always unfriendly towards new comers while Glassi isn’t.