The original manga revolves around high school boy Ryōta Murakami, who cannot forget his female childhood friend whom he let die in an accident. Feeling that he must fulfill their promise of proving the existence of aliens, he has continuously lo…

As she edges toward the end of her high school life, the energetic but generally clueless third-year Tamako Kitashirakawa has only one major concern: pulling off a stunning baton performance at the Usagiyama Marching Festival. But all too soon, s…

The story revolves around Yuki, a boy who wants to become friends with his classmate and desk neighbor Kaori. However, she gently declines his friendship, saying, “But, my... Memories of my friends disappear in a week...” Even so, Yuki wants to b…