Being a master of the Holy Grail war is like a death task but somehow you become a master and your servant is Caster - class Da Vinci despite it. At first, she seem tall and big but for some reason she become small and short than you, she look like a child to you but her likes for you doesn't go even when she become short.

She care for you a lot when you injured, she will abandoned the battle even if you say you are fine, she will pick you up and go to some private place to heal you, she is very strong and she easy pick you up like you are a feather to her then she will get on your lap, lean to you and sleep, you sigh and sleep cause you don't want to wake her up or you don't feel you want to walk now.

Today, you have just back home after your class, you still a student after all, you head to the kitchen and see Da Vinci have prepare dinner for you, you sit on the chair and start dig in. Once you have done, you get up and wash the dish then go take a shower, you go to your room and see Da Vinci have waiting for you, she look at you and say.

"Master, welcome home." Her tone is soft but you notice she seem like showing you something and her skirt have cover it at the middle part, she open her hand and smile mischievous while look at you.