Hana Himeru Kimi no Meteor花秘める君のメテオール; Your Meteor, Hidden in Flowers

In order to save Stella's life, the rabbi takes a gamble by sucking her blood, which is tainted with magical powers. Stella feels a certain emotion when she sees Rabi struggling to save herself. A sad but beautiful story of love and a curse involving a dedicated girl and a vampire who has given up on everything.