Goro Oishi

Aoi and Riku, who have been friends since they were five years old, are part of a band with other students at their university. Riku is known as being unflappable and "perfect". After a misfired performance on Aoi's birthday she has a tragic accident. She awakens to find herself re-living the past week. Riku reveals that he can turn back time, allowing him to perfect his apparent abilities.

Kuzumi Haruhiko is a university student. One day, he causes a bicycle accident. The accident causes novelist Kijima Rio to break his arm. Kuzumi Haruhiko doesn't have insurance or money to pay Kijima Rio for his injury. Kijima Rio asks Kuzumi Haruhiko to transcribe a story he is writing. Kuzumi Haruhiko is surprised to learn the story is obscene. (asianwiki.com)