Lista episodi

Hui Wan is a feisty high school girl. Kim Ram U is a transfer student to Eunsung High School. On April Fools' Day, their classmates decide to swap names for a day, and Ram U and Hui Wan swap their names. After swapping their names, Hui Wan has her best day. She feels like swapping names with Ram U brings her luck, so she wants to keep swapping their names.

Ram U died four years ago. And four years later, he goes to Hui Wan as a grim reaper and tells her that she will die in a week. Hui Wan can't believe what she sees and hears and refuses to talk to Ram U. As Hui Wan is lethargic and wants to do nothing before she dies, Ram U suggests that Hui Wan complete his bucket list together.

Ram U and Hui Wan share many memories. Hoping to make her feel better and encourage her to stop isolating herself from the outside world, Ram U drags Hui Wan to her college. However, Hui Wan feels unbothered and wants to push Ram U away.

Hui Wan cries and tells Ram U that she couldn't forgive herself and that the past memories alone give her enough pain. She wants to quit completing the bucket list with Ram U. Meanwhile, Hui Wan goes to see Hong Seok. However, Hong Seok doesn't seem happy to see her.

Hui Wan asks Ho Gyeong where Jeong Suk is but gets no answer. She confesses Ram U's death was her fault, not Jeong Suk's. Ram U wants Hui Wan to stop feeling guilty and move forward.

Despite wasting most of her week, Hui Wan has one day left to bid farewell. She gets gifts for Hui Ju and her father, plans a simple date with Ram U, and receives repeated calls from Yeong Hyeon.