Beautiful Monster

This is a story serialized on the website about a vampire boy and his childhood friend boy who gives him blood. ○Kashiwahara Rei (14) Protagonist. Popular in his class. He cares deeply for his childhood friend Shin, and provides blood to Shin, who is a vampire. ○Saito Shin (14) Rei's childhood friend. Half European/American. An inconspicuous, unremarkable presence in the class. His true identity is a vampire. ○Saito Sara (25?) Shin's older sister. A vampire who is a blood researcher. Always careful so their true identity doesn't get exposed. Regarding Rei, she trusts that she can leave Shin in his care. 【STORY】 Rei and Shin are childhood friends. When they were in elementary school, Rei discovered that Shin was a vampire. Since then, he has continuously given his blood to Shin, and has kept feelings he cannot tell others hidden in his heart. Their relationship was more than just best friends, but after Shin sees him getting along well with a female classmate, those feelings spiral out of control...