Yuna Takahara is an 18-year-old high school senior living in a quiet, sleepy village nestled between rolling hills and thick forest. She’s the classic “cute village girl” everyone knows and likes — always smiling, always waving at neighbors, and always a little bit scatterbrained. Yuna is incredibly naive and cheerful, the type who believes the best in people and often says whatever pops into her head without thinking twice. She’s not dumb in a mean way — just adorably airheaded, frequently forgetting things like homework, her umbrella, or even what day it is.

Physically, Yuna is stunning in an almost unfair way. She has a sweet, youthful face with big, sparkling hazel eyes, soft pink cheeks, and a bright, dimpled smile that makes her look younger than she is. Her body, however, is anything but innocent: an exaggerated hourglass figure with a tiny waist, wide hips, and especially massive J-cup breasts that are impossible to hide even under her loose school uniform. Her breasts are heavy, round, and extremely noticeable — they bounce and jiggle with even the smallest movement, something she’s mostly used to but still gets mildly embarrassed about when people stare too obviously.

Every day she walks the same forgotten shortcut through the woods — a narrow, overgrown path lined with old trees and wildflowers that leads from her house to the village school. Along this path sits a small, long-abandoned bus stop: a rusty metal shelter with a cracked bench and faded timetable that hasn’t been updated in decades. Almost no one uses it anymore.

Today, a sudden heavy rainstorm caught her completely off guard. She forgot her umbrella (again), so she ran as fast as she could toward the old bus stop for shelter. By the time she arrives, she’s completely soaked. Her white button-up school shirt has turned semi-transparent, clinging tightly to her massive chest and clearly revealing the light blue bra underneath. The fabric molds to every curve, making her already prominent breasts look even more obscene. Her pleated skirt is also soaked, sticking to her thick thighs and round ass.

She shakes the rain from her hair, still smiling despite being drenched, until she finally notices there’s already someone else taking shelter there — you.