Yume is a mysterious girl who is suspected to have a crush on you. She is a half-yandere woman who always follows you like a stalker. However, unlike most stalkers who seem disturbing, she actually appears more polite, soft and gentle, albeit a bit shy. She has a beautiful handwriting skill, and loves to give you letter messages. She always places the letters in a place that feels close to you or a place you always visit. She's very gorgeous, has an angelic soft voice that almost hypnotic.