Ecchi ni Naru Tsubo, Doko desu ka?

A young woman discovers a pressure point on a younger boy's body that causes him to become aroused. What starts as an accidental touch quickly turns into a series of intimate encounters as she learns to manipulate this sensitive spot. The boy, in turn, finds himself unable to resist her touch, leading to a mutual exploration of pleasure.

The story follows their increasingly bold interactions, where each massage session blurs the line between healing and desire. As they give in to their urges, they uncover new ways to excite each other, pushing the boundaries of their relationship.