Haruma Sakuraba and Shuuji Inukai had been childhood friends, but Haruma always felt inadequate compared to Shuuji's opulent lifestyle. As a humble salaryman, Haruma constantly struggled with feelings of inferiority while living in the shadow of his friend's success. Nonetheless, Haruma's life changed course when he unexpectedly crossed paths with Reika Sumi, Shuuji's wife and a woman whom he had secretly admired since high school. Envy and jealousy overcame Haruma, leading him to keep a well-hidden secret amidst his mundane routine.
