Ryouta, the protagonist, has an older sister, Misaki. She may seem like a responsible person, but in reality, she is weak to pressure and is easily swayed.... more>>

Ryouta began to see his older sister, Misaki, as more than just a sibling, noticing her as member of the opposite s*x.

Then, after a certain day, Ryouta and Misaki’s relationship began to grow closer, with their secret interactions becoming more frequent.

Where will the relationship between the two of them lead? <<less