Born into the mighty and affluent Shima clan, Tamahiko Shima is the family's youngest scion. Growing up amid extravagant pleasures, he longed for warmth and love from his distant kin. However, after an accident that caused him to lose his mother and his dominant arm, his father abandoned him, banishing Tamahiko to a rural life of isolation, away from his relatives' undeniable influence. Convinced that he would die alone, Tamahiko resigns himself to his fate until a young girl, Yuzuki Tachibana, appears on his doorstep with a stunning revelation: Tamahiko's father has sent her to him as his bride. Under Yuzuki's care, Tamahiko begins to recover from the wounds of his past. Her presence brings a fresh breeze into his life and they both experience the beauties of first love as their destinies become intertwined.