Yoshioka Toshinori is a 28-year-old advertising agency employee who always has busy days going back and forth between his office and house. One day, Toshinori reunites with his senior, Tanaka Keiko, who tells him that going to a U-shaped bar is what he needs now. Toshinori takes the courage to open the door and sees a wonderland that he has never known before.(Source: DramaWiki)