Nakai Marekatsu

Mikumari Noel one day recieves the "Holy Deck" used to protect her city instead of the sleeping "Saint of the white cocoon". But the Deck is incomplete, so Noel has to search for the missing cards, while protecting her city from monsters.

Middle-schooler Akuru's childhood friend Shinto (whom she has a crush on) has given her a carefully constructed Aquarian Age deck for her birthday. Now Shinto will teach her to play Aquarian Age, and Akuru will become an ever stronger card player! This is the story of their daily school life as they play Aquarian Age with their friends!

This is the continuing story of Akuru, her childhood friend Shinto, and all the other friends they've made through the card game Aquarian Age. Together, they all enjoy holidays, school life, and Aquarian Age, but will Shinto ever notice that Akuru wishes she were something more than his friend?

Rin Tenkuji receives an old key as a memento on the day of her great-grandmother's funeral. However, that key is a guide to three treasures that will determine the course of the battle (the Aquarian Age) in which girls with superpowers have been vying for supremacy behind the scenes of history!

The protagonist, Rin Tenkuji, is a perfectly ordinary elementary school student who admires his older sister, Sarashina Saiki, a middle school student. One day, Sarashina suddenly decides to move away, and Rin tries to go with her. From there, he becomes entangled in a mysterious fate surrounding the Aquarian Age...

Sixteen year old Mana returns to her hometown to unite with her childhood friend after 7 years. But Kaname seems to have changed during his years apart. Mana's presence sets off a chain of events that changes the lives of Kaname and his best friend Naoya forever. Their classmates Isshin and Tsukasa, and their teacher Tomonori find themselves drawn to her as well. They soon discover that they are all a part of the Aquarian Age - a secret war raging for thousands of years. Now the fate of the world hangs in balance as one girl meets her destiny.