Ten wo Meguru Wakusei de

Megu, an elementary school student who is not very good at studying or sports, is proud of her best friend Ten-chan. Ten-chan is a genius who can do anything and is everyone's superhero. So she had no idea. Deep in Ten-chan's heart, a sad secret and reality was hidden. A sad and pure story reflected in the eyes of young boys! (Source: Office YOU, translated)