If you had one more year with the person you love... would you change the past, or let destiny run its course?" Rin Ayaka, a quiet and introverted girl, has always struggled to express her feelings - especially to the one who loved her the most, Shin Haruko. When their relationship falls apart because of her own mistakes, Rin is left drowning in regret. But fate isn't done with her yet. Given a chance to go back in time, Rin must relive the moments she took for granted and find the courage to love him the way he deserved - before time runs out again. A story about love, second chances, and the fight to make things right - even if it means rewriting your heart.