Sugiura had always quietly harbored feelings for his senior colleague, Yui, amidst his ordinary daily life. However, upon hearing the news that Yui would be leaving the company due to marriage, he could no longer suppress the turmoil welling up inside him. Meanwhile, although Yui appeared happy on the surface, there was something unsettling about her expression. Around that time, Sugiura accidentally overheard a phone call in which Yui argued with her fiancé, catching a glimpse of her emotional distress. In that moment, Sugiura could no longer hold back and resolved to confess his long-hidden feelings to Yui.