Janka is on the verge of puberty. She is trying to retain her childish innocence for as long as possible. But she can’t escape the inevitable...

The normally active Ji-su is drowsy in class today. After all, when Ji-su stood in the back of the classroom, lower abdomen aches and heart becomes...

This animated short shows the development of boys up to and during puberty. It depicts the typical external changes that occur with the onset of...