Sekai Ichi Hatsukoi: The World's Greatest First Love

Onodera leaves the office to visit the bookstore and thinks about how it has felt whenever Takano has touched him, but he dismisses these thoughts. At the bookstore, he runs into Yokozawa, and as they leave together, Yokozawa demands that …

Onodera reflects upon how he imagined Christmas would be when he and Takano were together 10 years ago. Onodera runs a manuscript over to the printers and upon arriving back at the office, he receives an email from Takano telling him he ca…

As Yoshino struggles to meet a looming deadline, he wishes his assistant Yanase could help but doesn't ask, knowing Hatori despises him. Yanase appears of his own accord and helps finish the project but Yoshino collapses from overwork. On …

Yoshino is conflicted between his fondness for Hatori and his friendship with Yanase. Hatori makes a movie date with Yoshino but cancels at the last minute due to work. That same day, Yoshino becomes upset when he spots Hatori with an old …

Onodera receives a call at work from An, a girl his parents arranged to be his fiancée, who wants to meet at his apartment that night to give him a New Year's present. Takano overhears the conversation and ask Onodera if she is his girlfri…

Marukawa Publishing executive Isaka Ryuichiro is in love with his assistant Asahina Kaoru. He recalls when they met as children, through the time when Isaka hoped to become a writer. One night Isaka suddenly kisses Asahina and his affectio…

While preparing for the company's New Year's party, Onodera gets a call from his mother, who pesters him about his engagement to An and asks him to escort her from a wedding that coincidentally is taking place in the same hotel as the comp…

Kisa has the perfect boyfriend in Yukina but is riddled with doubts about their relationship. He is concerned his heavy work schedule prevents them from being together often and interprets Yukina's understanding of the situation as a sign …

Believing Yukina has cheated on him, Kisa becomes distracted at work and won't respond to Yukina's messages. Accidentally answering one of Yukina's calls, Kisa tells him their relationship is over. That night, Kisa reflects on Yukina and r…

Onodera enters the office elevator with Yokozawa and Takano, who he is coming down with a cold. Onodera is jealous when Yokozawa touches Takano to take his temperature. Takano corners Onodera in the lunch room and reminds him of what he to…

Takano and Onodera share a moment in the rain and talk about their time in school. A few startling truths are revealed that may change their opinion about each other.

Takano remembers how he fell in love with Ritsu and his problems with his family. This is the season finale.