The Protagonist Has a Deer [Through the Book]

Mulian is a sacred deer that secretly takes form. His blood contains vitality and can make dead trees resurrect and flowers grow wildly. He has been hiding in the world and has been carefully guarding this secret. Until one day, he passed through a book and became a little cannon fodder. The poor protagonist, whose blood can wither all things, was lying next to him. Mulian: We complement each other perfectly, how about a companion? Protagonist: If this stupid roe deer dares to hold him back, I will eat him Later: Forget it, let's keep it. A cannon fodder who may be sweet but not stupid × a protagonist who may be yandere and a drama queen Intention: Treating others with kindness will also lead to kindness in return