Soshite Koyoi wa Kimi ni Youそして今宵は君に酔う; 今夜我想喝醉; Tonight, I want to be intoxicated by you

Koga Nana is the new office worker who's really terrible at this kind of work. Since she's always making mistakes, she feels down more often than not. But she keeps on working hard because of Shibano-kaichou