As his school days draw to an end, Yuuki Wakura worries about his future. While lamenting the prospect of living an ordinary life, he is sud...

After his high school graduation, Yuuki Wakura realizes it has been five years since his sister's disappearance during a "Mato disaster." Th...

Nasa, at the request of his former junior high school teacher, Ms. Yanagi, finds himself entrusted with teaching a programming class at a hi...

Nasa, at the request of his former junior high school teacher, Ms. Yanagi, finds himself entrusted with teaching a programming class at a hi...