Bite marks and Fluorite

Yo, who is about to be attacked for his sweet blood, decides to seek refuge with Akito, who is one of the most powerful vampires in the city. After being bitten by a vampire, now Yo worries about his sense of humanity, decides to live as a normal cheerful human despite him being in the middle of his transformation. A solitary vampire and a human destined to eventually become a vampire. Will Akito show Yo that his life as a vampire will be full of love or darkness?