A young man whose motto is "Never commit suicide" happens to meet a boy with a cut mark on his wrist and follows him out of curiosity. However, the boy's path leads him to a world of "death" that he has never seen before−−. A battle of different abilities by suicides who have come back to life.

*Note: Includes two extra chapters.*

Helen is a girl who cannot see, hear, nor speak. With the love and guidance of Professor Sullivan, she learns words, learns how to think, and opens the doors to new worlds one after another. Helen's curosity pushes her to challenge herself, and eventually, she becomes a beacon of hope for the world! (Source: Kadokawa, translated) *Note: Volume 4 in the series.*

The manga is a school comedy set in high school Kichioji Tokyo, and tells the story of Kisshou 7, the group of the seven members of the student council fascinating.