A lesbian romance featuring three schoolgirls. The story unfolds at a drama club's training camp, where a "secret" taught by a classmate becomes the catalyst that stirs their emotions. Innocent friends begin to feel the first stirrings of same-sex attraction, gradually deepening their curiosity toward lesbian love. Scenes depict them baring their bodies, sharing warmth and sweet scents, touching each other's skin. Their intimacy escalates into bold, explicit threesomes, packed with highlights. Featuring Nina, Nana, and Lemon—three girls experiencing a pure, bittersweet same-sex journey unique to the cusp of adulthood. Beyond eroticism, the film captures the girls' innocent charm and the fleeting beauty of youth, enhancing its emotional depth and appeal.