For the Rest of My Life! (BL)

Lee Seung-yeon has been in love with her childhood friend Gong Jihyeok. Then one day, she hears that a person can be happy for life with just a single memory. Seungyeon wants to create that one memory with Jihyeok that she'll want to cherish for life, but on the other hand, he's terrified that they'll end up parting ways and becoming strangers.... "Can you give me just one day out of your lifetime?" In the end, Seungyeon proposes to Jihyeok that they date for just one day.