Meeting Ryouichi Sumi and the advice from Hasegawa have put doubt into Ritsu Onodera's heart. He remembers the reason he transferred to Marukawa and wonders if he can continue to work as a manga editor. While he is struggling, Takano asks him if he wants transfer to the literature department. A call from an author interrupts Onodoera's thoughts, and the author expresses her gratitude for his work and gives him encouragement. Onodera relays her praise to Takano, who further shows his approval of Onodera's work. While at Onodera's place, Takano tells Onodera of the history between him and Yokozawa. As Onodera is immersed in his own thoughts about the two, Takano once again confesses his love for Onodera. This is the finale of season 1.
Sekaiichi Hatsukoi follows three couples that are interconnected within the manga industry, with each being subject to the budding of first love.
