Tensei shitara Slime Datta Ken OVA
Plot Summary: Bundled in the eleventh volume of the manga. It will be about the Sumo competition that held at Tempest for the first time, suggested by Rimuru.
Genre: Fantasy, Shounen
Other name: TenSura OVA, That Time I Got Reincarnated as a Slime OVA, 転生したらスライムだった件 OVA