OverviewBaby harp seal mascot character Sirotan is making an anime debut in a 24 episode short-form series entitled Sirotan: Sirotan ga Ippai! ("So Many Sirotans!") that hits Youtube beginning on August 12, 2017. Described as a "soft and fluffy" story, the Sirotan ga Ippai! anime features the adventures of Sirotan, a baby seal who likes to nap and dream about many different relaxing activities.