Due to her love for cleanliness, 'Yua' diligently works as a cleaning staff member along with her senior colleague 'Ikumi'. They have a good relationship as seniors and juniors. However, 'Yua' secretly harbors romantic feelings for 'Ikumi' and is a lesbian... But she never confesses her feelings, keeping them hidden in her heart, and never crosses the line from being just seniors and juniors... However, one time when they went drinking together, 'Yua' couldn't hold back her impulses while taking care of 'Ikumi', who was heavily drunk...
