Koichi and his sister Yuki befriend Hanaguro, a swan who has flown to Japan from Siberia. Hanaguro is attacked by a dog, and the cowardly Koichi flees, but that night he has a dream in which he is whisked away to the Kingdom of Snow Prince, where he finds the bravery to help the other swans.

It is the thirty-first century. Ulysses killed the giant Cyclops when he rescued the children and his son, Telemachus. But the ancient gods of Olympus are angry and threaten a terrible revenge: Ulysses is sentenced to travel through the universe of Olympus with a frozen crew on a quest to find the Kingdom of Hades. Only when he has found the Kingdom of Hades will his crew be free of their curse and he will be able to return to Earth and to his beloved Penelope.

It begins in Sweetsland: The home of the Dream Animals that has been taken over by cotton candy. The Tabekko Doubutsu find themselves being chased by the cotton candy army of King Gotton, who has banned all other sweets as part of his plan to take over the world. In their rush to escape, Pegasus ends up caught by the sticky soldiers! The animals make sparkly eyes at Profession Macaron begging him to help, but their lack of battle strength paired with not knowing how to do anything but be cute to solve all of their problems, the stress of being on the run from King Gotton strains the bonds of their friendship. Lion is discouraged by the seemingly impossible mission to rescue Pegasus, but some advice from Elephant gives him the courage he needs to act! But will it be enough to defeat King Gotton and his cotton candy army and save Pegasus — and the world?!

High schooler Eiyuu has a dilemma—his two childhood friends, Shio and Akari, have grown up to be almost too cute! Even though they don't seem to think much of it, he can't help but see them in a different light. If they ever realized how his feelings had changed, the embarrassment would be overwhelming! However, what Eiyuu doesn't know is that Shio and Akari might have feelings of their own. A slow-burning love triangle where all the heroines are childhood friends—one that's as frustrating as it is irresistible!