The contrastingly cute dragon, Al, the first king-killer in the demon world, who has a full combat score but is ready to die and longs for a happy retirement, bumps into the cunning human magician Le Fei, and accidentally becomes a super dad who raises Le Fei's son Dino. Will Dino be an ordinary and happy child, or will he bravely pick up the Warrior's Holy Sword and face his own destiny...

Centers on sea otter brothers Anila and Cocora, who live at a certain aquarium. Anila is the older brother who is cool, but also has a naive side. The younger brother Cocora is a passionate otter who adores his older brother.

Kazami Bird, aiming to become a professional, meets former champion Kurosu Ex also known as 'Kamen X' and forms a team so that they can aim for the "top" of the X Tower. But what awaits them is a spectacular battle that no one has ever seen before. The yet unseen 'X'. The super accelerated (Xtreme) beyblade runs through a new era!

The manga is about Koala who writes about daily life, whether it's good or bad, happy or sad, Koala treats every day as a precious day. Koala believes that today is a good day, and tomorrow will be a good day too.