Every Monday, Yuki introduces himself to Kaori like it's the first time, because it is. She forgets everyone after seven days, and he chooses to meet her anyway, over and over, knowing she'll never remember him. The show takes a premise that could be a gimmick and turns it into the purest argument for love that exists: he loves her not because she remembers him, but because showing up matters more than being remembered. That vulnerability doesn't wear thin across twelve episodes; it deepens. You watch a boy build something real with someone who can't hold onto it, and somehow that becomes the most romantic thing on screen.

Yuki sits next to Kaori in class, a quiet girl who keeps to herself. When he offers friendship, she gives him an unusual warning: every seven days, her memories of the people close to her, apart from her family, vanish completely. She'll forget him, his kindness, their conversations, everything. Most people would walk away. Yuki decides to stay. What unfolds is a tender loop of connection and loss. Each week Yuki asks her the same question again, rebuilding their friendship from scratch while slowly learning what makes Kaori tick. He discovers the pain hiding beneath her calm exterior: an accident in middle school left her afraid of hurting anyone she grows close to. The show balances heartache with moments of humor and warmth, as a boy with a crush keeps choosing to start over with the girl beside him.