10 years ago. Misuzu was once an extreme brother complex. However, the existence of his brother was erased in the wake of a trivial event. The 10-year gap is a burden to his brother's life itself, but as if it is inversely proportional to it, a fierce desire for approval of his sister arouses and afflicts his heart. The older brother who wants to go back to that time when he was close to him uses [Event ●] and begins to dominate his sister ... [* The image and sound may be disturbed, but it is not a defect of the product itself. Please note] Free point gift for the first 1,000 yen!