Big Sister Undyneby Moonstone_Ccino
11.1K
573
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11.1K57315Underfell is a dark world with the major rule of kill or be killed. Even though children are suppose to be secluded from this rule, that doesn't stop monsters from hurti...
!['Being A Pet All Over Again' Underfell Sans X Reader 'Book 2' [SLOW UPDATES] by sentifrost](https://img.wattpad.com/cover/179684620-512-k982465.jpg)
'Being A Pet All Over Again' Under...by noé51.5K1.6K10
51.5K1.6K10[Disclaimer that this book is very old nd poorly written, please keep that in mind!]
Sequel to 'Shy Pet' so if you haven't read that, I suggest you do!
After Y/n had die...