At a funeral, I find my cousin feeling down and gently begin to seduce her. During a family gathering of cousins, things escalate under the influence of alcohol, leading us to have sex. My cousin, once shy and demure, has transformed into a bold black gyaru—now a bit cocky. I make her climax hard with my cock. As our intimate relationship deepens, the story portrays nuanced approaches tailored to each of our evolving personalities, naturally progressing toward sex.