Megu is sent to Earth in her early teens, she is adopted by Mammi Kanzaki, a former witch who gave up her royal ambitions to wed a mortal. Mammi bewitches her husband and their two children, Rabi and Apo, into believing that Megu has always been the eldest child of the family. Under Mammi's tutelage, Megu learns to control both her abilities and impulses in order to prove her worthiness for the crown. This Rite-of-Passage subtext is continued throughout the series.

Second season of . Yuuki Wakura watches as dueling supernatural forces ravage the Earth. Mato are portals to another dimension, avenues from which dangerous monsters escape. Peaches are resources given to women granting them abilities. Chief of the Seventh Unity of the Anti-Demon Corp, Kyouka Uzen arrives to save Yuuki from a monster. Surprisingly, Yuuki holds the power to increase the Peaches effectiveness. But to save the world, Yuuki must be willing to become Kyouka’s servant both on the battlefield and at home.

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!

Ex-convict Keiji Ueji appears in Sapporo, causing all the different factions to travel to the city in hopes of obtaining part of the map to the Ainu gold that is tattooed on his skin. At the same time, a figure who appears to be a copycat of Jack the Ripper terrorizes the streets of Sapporo. Saichi Sugimoto, Asirpa, and Yoshitake Shiraishi—joined by Fusatarou "Boutarou the Pirate" Oosawa and Vasily Pavlichenko—temporarily ally themselves with Toshizou Hijikata, as his faction's motives are somewhat less disturbing than those of Seventh Division's First Lieutenant Tokushirou Tsurumi. Asirpa attempts to collect all the information needed to tell apart the fake skins from the real ones, but she cannot decipher the map with certainty. Sugimoto swears never to part with Asirpa again, but the commotion around the serial killer allows for new betrayals and Tsurumi's plan for capturing Asirpa to advance. As the hunt for the gold nears its conclusion, the future of the Ainu rests in the hands of those who claim it first.