In an RPG fantasy world, a red dragon named Letty is disowned by his parents after failing to guard their eggs. Now he has to find a place of his own, but unlike other dragons, Letty is meek, cowardly, and has overall low stats. Regardless, a defenseless young dragon makes for an easy target for those who only see him as a beast to be feared, vanquished, and even devoured. After some time searching for somewhere to call home, he encounters the elf Dearia, who saves him from a band of heroes. Both an architect and a real estate agent, Dearia offers to help Letty find the perfect abode that suits his needs. Thus ensues Letty's house-hunting quest, as well as all the fantastical creatures and formidable enemies he meets along the way!

Due to his cheerful personality and ability to smile even through a hard day's work, Kanade Amamiya is suddenly scouted into the idol life by industry legend Haruto Mikami. He joins the agency D-4 Production where he meets fellow high schoolers Shin Oikawa, Junya Sasaki, Itsuki Katagiri, and Chizuru Sawamura, who all aspire to become idols. Inspired by their determination, Kanade embraces this new life. A perfect chance for his debut appears when they are grouped together to perform at the company's Dream Festival. To rise to the top, they must collect Dorika—cards given by the audience that idols use to form their stage outfits—and gain the audience's attention. However, the road to fame is a rocky one, and the boys must form a bond of friendship and trust before they can reach their goals.

Faaren is a peaceful and happy realm, ruled by a wise King... until the Demon Lord Ackdam overruns the kingdom with his black legions and terrifying dragon, killing the King and capturing the Queen. But the King's young son, Sirius, is swept away to safety and grows to be a powerful young warrior, tutored in the ways of swordsmanship and chivalry by his father's loyal minion, Rias.

After the defeat of the demon lord Hadlar all of the monsters were unleashed from his evil will and moved to the island of Delmurin to live in peace. Dai is the only human living on the island. Having been raised by the kindly monster Brass, Dai's dream is to grow up to be a hero. He gets to become one when Hadlar is resurrected and the previous hero, Avan, comes to train Dai to help in the battle. But Hadlar, announcing that he now works for an even more powerful demon lord, comes to kill Avan. To save his students Avan uses a Self-Sacrifice spell to attack, but is unable to defeat Hadlar. When it seems that Dai and Avan's other student Pop are doomed a mark appears on Dai's forehead and he suddenly gains super powers and is able to fend off Hadlar. The two students then go off on a journey to avenge Avan and bring peace back to the world. (Source: ANN)