The story is set in Aquafall, a fantasy world abound with water and greenery, and populated by dragons and fairies. Meteorites suddenly bring forth evil creatures that threaten all living things on the planet. The fairy Syrup assembles the Aquafall Defense Force, with three girls of the dragon clans as recruits. The story follows Syrup and the dragon girls Leviathan, Bahamut, and Jörmungandr as they work together to battle enemies and grow up.

Duan Jiaze inherited a private zoo and was forced to sign a contract after his graduation. And from that day onwards the first ever age classified Luya zoo appeared, those aged under 21 are prohibited to enter. (Source: Twitter User Xiyoumiyu)

A young girl named Tomoko visits the Hiroshima Peace Memorial. There she has a mysterious meeting with Sadako, the little girl who was 2 years old when the U.S. dropped the bomb on her city during WWII and 11 when she died from the effects of radiation poisoning. Sadako takes Tomoko on an eye-opening journey.

The story takes place in a trading city Ert'Aria. Leicester Maycraft is an item engineer belonging to an adventurer guild "Oasis." One night, he is at a party with his friends to see a meteor stream on the rooftop of a chapel. One meteor grazes them and hits the steeple of the chapel. There he finds a secret room and a sleeping girl. The girl wakes up and says "You must be my father!" The encounter with the mysterious girl brings an unexpected adventure to Leicester.