An OVA bundled with the limited edition of the tankobon of the Kyou no Go no Ni manga. The staff and the cast of the OVA are the same as those of the Kyou no Go no Ni TV anime.
Genres: Comedy, Ecchi, Romance
Watch Kyou no Go no Ni: Takarabako episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.