It’s been 7 years since Yuuichi Aizawa visited his aunt Akiko, but now that his parents have gone to Africa to pursue their careers, he is finally back in the little northern town. Yuuichi is not really overjoyed with the prospect of living here though, because all of his memories of this place and the people living in it have mysteriously vanished. His cute cousin Nayuki seems like a stranger as well, even though he used to play with her all the time when they were younger. On the day of moving into his new home, Yuuichi starts unpacking the boxes and stumbles upon a red headband that no one seems to recognize. This is one of the first clues that will make Yuuichi take a stroll through the snow-covered town and make him start recalling fragments of his past, broken promises and buried secrets. Yuuichi soon realizes that there is something supernatural going on, and all of his new female acquaintances seem to have links to his forgotten past.

After Niche carries the wounded and stunned Lag back to the Bee Hive, the Letter Bee finally begins to piece the puzzle together. Now he knows what's happened to Gauche, why the Marauders are so focused on stealing mail and the actual intent of the group controlling both, Reverse. However, when he's forbidden to reveal the truth, Lag is soon forced out of the artificial sunlight and back into the world of perpetual night. And soon Reverse's plot to take down the Letter Bees and overthrow the Amberground government begins to accelerate. If things weren't already bad enough, the giant insect creatures called gaichuu are apparently evolving into something new; there may be traitors working within the Hive; and Niche's sister, who's definitely not human friendly, shows up to turn family drama into a full-scale siege! It all spells serious trouble for the Letter Bees, but if anyone can weather the storms and gloom of night, Lag and his team are the ones who'll deliver. (Source: FUNimation)

Yukiya Ayase is a gentle, kind hearted, and innocent university student. The only relative he has left, his cousin Tetsuo, betrays Ayase by selling him to the highest bidder in an auction with hopes of making an enormous profit to be able to pay off his debts. Somuku Kanou, a bad-tempered (though very rich) loan shark, comes to Ayase's rescue and buys Ayase for an impressive 1.2 billion. Kanou apparently knows Ayase from something that happened between them in the past, but Ayase cannot remember who Kanou is nor does he understand why he saved him. In a desperate effort to keep Ayase close to him, Kanou demands the debt be repaid in full and suggests the perfect way to do it: by selling his body to Kanou for 500,000 each time. Ayase is horrified in the beginning, but something soon begins to grow between them that can't be bought for any price. (Source: ANN)

A long time ago, there was a valiant swordsman who came to be known simply as the hero. There was a demon who has caused people suffering. The hero and his companions arrived to challenge the demon to a battle and by combining their powers, the battle was brought swift conclusion. With no one around to cause trouble, the island became a quiet place where everyone could live together in peace. Several years later, the demon is revived. Our present-day protagonist, Dai, lives on a remote island in the southern seas and dreams of becoming a great hero. When he hears about the demon's revival, Dai and his friends take it upon themselves to stop him and the evil force that revived him. Along the way, Dai discovers the identity of the hero, the truth behind the evil force who revived the demon, and Dai's own hidden powers that surface in times of peril. (Source: MU, edited)