Sirotan: Sirotan ga Ippai!

A seal attempts to escape a sleeping Polar Bear, fearing that Polar Bear will eat him. But before Seal can get far, Polar Bear wakes up and runs to him. Seal pleads to Polar Bear not to eat him, but Polar Bear instead performs a kabedon on Seal with a nearby ice wall. The original manga revolves around a polar bear who falls in love with an earless seal, and he wants nothing else except to protect him, even though the seal constantly thinks the bear will eat him.

The story revolves around a palm-sized seal named Mameta, the other seals (Cherry-chan, Soda-kun, Lemon-chan, Candy-chan), and the Mamekawa family that raises the seals.

Nontan is the protagonist of a Japanese series of children's picture books by the same name written by Sachiko Kiyono. In the series, Nontan is a mischievous kitten who likes to play and learns about the world around him. Other characters include Pig, Rabbit triplet, Raccoon, Bear, Bee, and Nontan's little sister Taatan.

After moving to a new town, a young boy comes across a lone baby seal. They become fast friends and enjoy everyday life together.