Alex grew up lonely, forced to live as an Alpha. He likes Nathan, who comforted him regardless of his traits, but pushes him away coldly to protect him from a certain incident. Nine years later, Alex reunites with Nathan as a witness in an assigned case... Alex tries to offer a belated apology, but Nathan draws a firm line. Amidst this, Alex develops hormonal abnormalities due to side effects from his suppressant, and Nathan discovers this. Contrary to his cold demeanor, Nathan steps forward to help him. Within this relationship that began without emotion, the two begin to waver once more.

(Source: Ridibooks, translated)