Sekai Ichi Hatsukoi: The World's Greatest First Love Sekaiichi Hatsukoi follows three couples that are interconnected within the manga industry, with each being subject to the budding of first love. Details Casts Videos Galleries Posters Season Lists Title Sekai Ichi Hatsukoi: The World's Greatest First Love Genres Animation Drama Comedy First Air Date 2011-04-09 Last Air Date 2011-12-24 Episode Runtime 00 Hours 24 Minutes Total Season(s) 2 Total Episode(s) on All Seasons 24 Runtime 24 Production Companies Studio Deen Tomoaki Maeno... Yukina, Kou (voice)... Hiroshi Kamiya... Yanase, Yuu (voice)... Shinnosuke Tachibana... Yoshino, Chiaki (voice)... Yuichi Nakamura... Hatori, Yoshiyuki (voice)... Toshiyuki Morikawa... Isaka, Ryuuichirou (voice... Koji Yusa... Otoko... Katsuyuki Konishi... Takano, Masamune (voice)... Takashi Kondo... Onodera, Ritsu (voice)... Kenyu Horiuchi... Yokozawa, Takafumi (voice... Nobuhiko Okamoto... Kisa, Shouta (voice)... Sekai-ichi Hatsukoi trailer (Trailer) Original Size (3255x1831) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1899x1068) Original Size (660x990) Original Size (680x1000) Original Size (800x1127) Original Size (500x750) Original Size (500x750) Season 1 12 Episode(s) 2011-04-09 Season 2 12 Episode(s) 2011-10-08