Springtime brings new life, but also hidden desires that blossom between two young women. Miki Sunohara, the older cousin of Rino, has always looked up to her like a sister since they were children. As time passes, Miki starts developing special feelings towards Rino. She often visits Rino's house under the pretense of eating her mother's cooking, just to be close to her. Meanwhile, Rino begins opening up to Miki's advances. Their forbidden love story unfolds as they step into a world filled with passion and taboo pleasures.