This stories characters are based off a gacha app collaboration on TikTok. The user is gachauuy802. About the book; The book is written by the Rats System! An OSDD-1b system, collective name is Vinyx also the Simply Plural of the collab; it is co-written by Willow, the TikTok in the collaboration! ///// simply Plural and Miku lose their group, they try to escape the city, but they have a little help from someone..