Don't let the cute character designs fool you. This show has a great world setting and can be very cruel at times. Gorey too. Many people have been attracted to a giant crater known as the "Abyss", seeking mysterious and valuable Relics. However, not many make it to the bottom due to the curses it holds. Depending on how deep someone...

Norimichi and his friend Yuusuke are both challenged by the girl they like, Nazuna while on pool cleaning duty. She invites the winner out on a date to the see the fireworks but when things go wrong, Norimichi discovers that the glass orb Nazuna had picked up allows him to travel back in time. He decides to use it to correct the problems he...