Synopsis

Now that (Y/N) is friends with the Pines twins; Dipper and Mabel Pines, and also a few others. One major problem still remains, (Y/N)'s identity as an assassin, a Zoldyck. Troubles coming towards the three, (Y/N) will be challenged time after time. With the help of Dipper and Mabel, and not to mention a dream demon, Bill Cipher, (Y/N) will face them all. But what would happen when someone from another dimension returns to the Pines? Is that person a friend or foe towards (Y/N)?

READ TO FIND OUT!

[COMPLETED]

Other Books in the Same Series:
Book 1 - A Demon's Heart [Completed]
Book 2 - Demon's Killer Queen [Completed] = Here
Book 3 - Assassin's Duty [On-going]