Saeka has worked at her company for four years, and is generally seen as a reliable coworker who is trusted by everyone. However, she’s not so good at relying on other people! Not even her own boyfriend! Smoking in secret is the only way she knows how to de-stress. One day, her former superior who knows about all her screw-ups back in her rookie days transfers from Kansai to her office. While she tries her best not to show any weakness to him, she also finds herself bonding with him over time as he helps her with her stress in his own way!