Down on his luck and out of a job, the beautiful Mito Yamamoto has a chance encounter with Ruka, a young café employee who turns out to be a real-life vampire in search of a thrall! But Mito is hiding secrets of his own...

Before his date with Mito, Ruka is confronted by cohorts who've come to harass him. Ruka's feelings for Mito and his need to protect her are making him disregard the search for his destined partner. Trouble arrives when Mito is unexpectedly targeted.

With Mito and Ren's marriage underway, Ruka takes a final shot to tell Mito how he feels. He hands her the sang sucre as a last gift, but will it be enough to restore Mito's memories of her beautiful life at the dorm?