Mahiru Shiina, known as the 'Angel,' shines with beauty and talent, admired by all. Amane Fujimiya, her neighbor, inhabits a separate world. Despite their proximity, they've never exchanged words until a rainy day when Fujimiya offers his umbrella to a despondent Shiina. Grateful for his gesture, she tends to his illness the next day, sparking an unexpected bond. As Shiina cares for Fujimiya, their connection deepens, unveiling a journey of companionship and unspoken affections in the midst of domesticity.