Watch Mistake of the Year Episode 4 Online for Free

Newly appointed president Ryosuke Takahashi sternly reprimands workplace bullies, including Yuna Oda's husband, Kenji Oda, in the office, clarifying the company's stance. Afterward, Ryosuke finds himself alone with Yuna in the restroom, revealing his feelings for her and questioning why she endures her unhappy marriage. In shock and resistance, Yuna tries to distance herself from Ryosuke. Just as their relationship becomes ambiguously entangled, Kenji, already suspicious, arrives and calls Yuna's name from outside the restroom door, creating a tense cliffhanger.