Sensei, Mou Ichido...

A woman named Yuzuki had a secret relationship with her homeroom teacher, Tsuji, six years prior but had to move away for further studies, leading to their breakup. After completing college, she returns as a homeroom teacher at her former school and reunites with him. Another story follows a woman in a secret relationship with her boss who already has a girlfriend, but her position is challenged. Mari, a 27-year-old focused solely on her career, faces changes when her brother's friend moves in to help with household duties. Makino, a teacher recently separated from her boyfriend and dealing with depression, is comforted by her colleague, Kuga. Lastly, Yuri, who had moved on from a past long-distance breakup, is forced to work under her former ex-boyfriend eight years later.