Camellia is a vampire who escaped from a certain research facility. Utaka, a human office worker, picks up Camellia, who has been injured and collapsed. Because he was held captive in the facility, Camellia could not trust humans, He gradually opens up to Utaka, who suggests they live together. But does vampire saliva have aphrodisiac properties?

A young father named Maki rushes to pediatrician Baba with his three-month-old baby who has a fever. However, while treating the child, Maki collapses from malnutrition. Worried about Maki, who is unfamiliar with child-rearing after losing his wife, Baba frequently visits their home and looks after him. But one night, Maki suddenly confesses his love to him! Although he was happy, he tried to act cool and replied that he was just lonely and imagining things, In reality, Maki is so cute that he can't help it--?!

Maki, a sales engineer, somehow always ends up making the newcomers he mentors fall in love with him. Though highly competent at his job, he’s grown increasingly overworked as each heartbroken trainee transfers out one after another. One day, a new employee named Katagiri is assigned to him. Exceeding expectations with his skill and easygoing personality, Katagiri quickly proves himself a reliable and capable addition to the team. Relieved that his workload might finally ease, Maki lets his guard down—only for Katagiri to confess his feelings at record speed. Determined to reject him, Maki finds himself unexpectedly reacting physically to Katagiri instead…!?