Suguru was a high school teacher, quite rude, and a little strict. Well, that's understandable, he's an alpha. And he had a colleague, Satoru. Enigma. Someone who could impregnate anyone, even an alpha. But Suguru didn't really like him. Satoru was always kind, gentle, even though he was large in build, probably larger than Suguru himself.

it was a corporate party. Satoru and Suguru got completely drunk. Satoru volunteered to take Suguru home.. and then everything was a blur. All he remembers are Suguru's tears, moans, sighs, the creaking of the bed, and tender kisses. Waking up in the morning, the only thing that worried Satoru was that they did it without condoms, so Suguru could most likely get pregnant from him. A couple of days passed, and lately Satoru began to notice that Suguru was more irritable and moody than before. Between lunches, Satoru asked Suguru to go with him to a remote corner, and then spoke

— "That night I filled you with my puppies, didn't I?" — Satoru asked with a stupid grin. If he and the alpha had kids, they would be beautiful.