Sekai-Ichi Hatsukoi: Onodera Ritsu no Baai is a Japanese boys-love manga series written and illustrated by Shungiku Nakamura. In , the manga was Characters · Media · Manga · Novels. Sekai Ichi Hatsukoi Episode 2 >>. VidstreamingChoose this server; StreamangoChoose this server; EstreamChoose this server; OloadChoose this server. About the Show. Ritsu Onodera quit working for his father's company and transferred to work at the publishing company, Marukawa Shoten. To his dismay, he's.