Kyuuketsuki-san wa Chitoraretai

Chitose, a serious class president, is actually a vampire. She has been living with Santa, a priest apprentice who watches over her, for a long time, and they are childhood friends. Gradually, they become aware of each other. But then Jiruji arrives as the new target of surveillance. Chitose unconsciously feels jealous of the bright and proactive Jiruji. One day, when Chitose tries to overwrite Santa after Jiruji has sucked his blood, what does the blood taste like?! The serious vampire has awakened a sexual fetish called "chitrare"!?

A new type of vampire love comedy in which a non-human heroine is torn between her appetite, love, and sexual fetish!
https://ebookjapan.yahoo.co.jp/books/901915/