A man who has become captivated by the charm of working women. His unrequited love, Anna-chan, is an office lady who always turns down his invitations for weekend dates, claiming her schedule is full. Despite his growing feelings and near resignation, he finally manages to get her to agree to a date. When he starts saying slightly naughty things, she blushes but laughs along, seeming to enjoy it. Feeling hopeful that she might actually like him, he's suddenly shocked to discover she's simultaneously dating three other men on the same day. This revelation brings a wave of shock and complicated emotions, deepening the story.