Japanese MOL Library Ryohei Yanagihara MuseumArtist Ryohei Yanagihara is the honorary captain of Mitsui O.S.K. Lines. Why, the honorary captain? You can find the roots of the circumstances in the Library. Adv GalleryCheck out MOL ads through the years. Poster GalleryHere's a look at posters produced in early 20th century by MOL predecessor Osaka Shosen.