Wada-san works alongside Natsu Andou as a colleague in their shared department. At work, she presents a serious and energetic demeanor, priding herself on her responsibilities. This professional image masks a hidden personal facet. Outside the office, Wada-san pursues sadomasochism as a hobby, adopting the alias "Spanking Wada" for these activities. During a collaborative project with Ginga Hoshi, mutual attraction develops between them, leading to a relationship incorporating elements of sadomasochism. Wada-san is open about her interests, offering demonstrations to coworkers Hayao and Natsu, both of whom politely decline.