Sekaiichi hatsukoi

Rookie literary editor Onodera Ritsu finds himself working for the Marukawa Publishing Company. To his surprise the only job available is in the Shojo Manga division of the company. The editor and chief of the manga division, Masamune Takano, can't help but feel that he knows his newest editor. After spending many hours at work together, Takano realizes that his new editor is actually his high-school sweetheart. Masamune Takano confronts his former lover Onodera-san about their former relations. Takano is now bound and determined to make Ritsu fall in love with him yet again. Refusing, Onodera rushes home and can't help but recall those years in high school with his former love. Masamune in convinced that he can spark a new love with his long lost love. The world's greatest first love....