In the world of Loveless, each person is born with cat ears and a tail, which disappear only if that person engages in a sexual intercourse. Because of this, they have come to symbolize virginity and innocence. Additionally, fighting is only done by "fighting pairs" or couples, where one is known as the Sacrifice and the other as the Fighter. The first receives the damage while the latter attacks. Ritsuka Aoyagi is a 12-year-old boy, who for some unknown reason suffers from amnesia. His brother got killed recently, and as if his life has not been hard enough lately, on his first day at the new school he gets approached by a stranger called Agatsuma Soubi, who claims to have known his late brother. Ritsuka finds out that Agatsuma and his brother used to be a fighting pair, and that Agatsuma has inherited Ritsuga now that his brother is gone. Together, they try to find the truth behind his brother's death and the organization known as the "Seven Moons," which may have been responsible for it. All the while, it seems that Ritsuka and Agatsuma are becoming closer than they intended to be…

Twelve Months is the story of an orphaned girl named Anya. When a spoiled princess, who is also orphaned, sees a picture of a Galanthus, she immediately wants one. However, the Galanthus only blooms in spring, in the month of April. It is New Year's Eve and there was no way that such a flower can be found in the middle of the winter. The princess offers a basket of gold to anyone who can bring her a bag of Galanthus.

Kaori Sasaki—a member of Uchihama Academy’s Astronomy Club—confesses to Sou Akiyama, but later that evening, she dies in a tragic road accident. Her friends and fellow club members mourn her death in a local hospital. Yet she shows up to school the following day, and no one senses anything amiss. The day finishes without any unusual incidents, and the group of friends plans for the upcoming cultural festival. Suddenly, the room is shaken by an unnatural earthquake. Everyone splits up to investigate—except for Nagisa Hanamiya, who stays behind. As everyone leaves, Nagisa notices that the odd relic-like cube that she was toying with starts emitting a strange blue light. Meanwhile, Sou stumbles upon an unconscious, naked girl lying in a pool of water. Ushinawareta Mirai wo Motomete follows the Astronomy Club’s increasingly bizarre adventures—from dealing with ghosts to quelling unrests between student clubs. All the while, they unravel the circumstances behind the sudden appearance of a new transfer student. [Written by MAL Rewrite]

One Punch Man 2nd Season's commemorative recap special.