On Jimin's eighteenth birthday, the first letter from his future self comes in the mailbox. Seokjin takes it over to him along with his birthday cake.

"Open it!" Seokjin urges him as he places his birthday cake on the table before the younger.

Jimin tears open the envelope, pulls out the letter, and unfolds it.

It reads:

Green is so not our colour.

Jimin chuckles as he looks down at the green shirt he wears.

"I agree," he laughs.

To be continued . . .