Iris, an android created by Professor Umbrella, is bound to follow her master's commands and tend to every whim. Yet, Professor Umbrella yearns for a deeper, more 'human' bond with Iris. To bridge this gap, he guides Iris in discovering her own identity and encourages her to shape her destiny. Set against a backdrop of rainy days, this tale unfolds the transformation of a robotic maiden into a compassionate and independent young woman.