After falling in love, yandere people always want to find every opportunity to torment their loyal dogs.
Update by chance
Chapter 023 of the main plot has opened. If you are just following the plot, please pay attention.
Main line FATE + four battles, secondary line Conan.
There are two pairs of original CPs in no particular order.
Cu Chulainn LancerX Matou Kiyoshi (loyal dog x yandere)
Beowulf