[Story] One day, the protagonist wakes up in a strange place. Bright, stimulating lights dazzle the protagonist's eyes, and beautiful women tempt him. Without realizing it, the protagonist enters a doorway. In front of them, firm buttocks of various colors swayed. A sentence appeared before their eyes. “If you find the buttocks you want, you can insert it!” Understanding the sentence, the protagonist's eyes sparkled as they walked forward. [How to Play] Select one female character to target. Remember her buttocks well. If the buttocks you selected are among those displayed on the screen, move to the right side of the screen. If the buttocks you selected are not among those displayed on the screen, move to the left side of the screen. If you match 8 times in a row, an event scene will unfold. [Game Features] 8 female characters appear that can be targeted. They have various appearances (height, skin color, butt size, breast size, genital shape).