1. Lesson 2. Yuuwaku (Temptation) 3-4. Dakishimetai 5. Tsume 6. Replay 7-8. Mabataki 9. Kayoi Neko 10. Kahanshin no Koi

Shitou Yukari, the tyrannical student council president, rules his high school with an iron fist. Being handsome, smart, and athletic his majesty has no rivals to fear - until the equally capable freshman Ookawa appears. Shitou sets out to put this underclassman in his place, but Ookawa just wants to get along with his senpai ..?

Two families are tied together by a curse. Every 100 years, one person from each family must share the same fate for exactly one year. The pair will be subjected to 12 misfortunes where one will get hurt while the other must sustain their injuries in return. When Kagura Izumi was 7, his parents died in an accident. Since then, he has been living an ordinary life. Until the day of his 17th birthday where he meets a mysterious transfer student, Ichijyou Chihaya. However, this fateful encounter between them is only the start of their intertwined fate. For the next year, the two of them will be forced to face 12 misfortunes on the 13th of every month, a curse that has never left any previous pair alive.

This time, the focus is on the second eldest brother in the family from Mainichi Seiten — the bespectacled Akinobu who wakes up one morning in an unfamiliar bed with someone most familiar and unexpected. This is the last in a series of stories: 1. Mainichi Seiten 2. Kodomo wa Tomaranai 3. Children's Time 4. Kodomo no Iibun 5. Isoganaide. *6\. Hanaya no Nikai de* Although not specifically "sequels", this is the order that the stories were written/published in.