優秀なαだけが通う資格を与えられる特別なα養成機関《ヴェルト学院》。その首席である神園汐音は、周りから与えられる賞賛とは裏腹に、“完璧なα”であることへの重圧でストレスを抱えていた。常に頭痛薬を服用し自身を偽りながら学院生活を送っていたある日、桁違いのオーラを放つα・御門朔夜が編入してくる。朔夜の強い視線に落ち着かない汐音は、彼との接触によって突如Ωのような症状を発症してしまった！気付くと朔夜に組み敷かれ、快楽に溺れている自身がいて… Velt Academy is a special alpha training institution where only the most outstanding alphas are qualified to attend. Shion Kamizono, the top student at the school, is stressed by the pressure of being the "perfect alpha," despite the praise he receives from those around him. One day, while constantly taking headache medication and pretending to be someone else, an alpha with an extraordinary aura, Sakuya Mikado, transfers to the school. Unable to calm down under Sakuya's intense gaze, Shion suddenly develops symptoms similar to those of an omega after coming into contact with him! Before he knows it, Sakuya has him pinned down and he finds himself drowning in pleasure...