Had no clues at first sight. Searched up a bit to figure it out.

“참코: 애 발매일.”

• 참코: 참가_參加 코드_code; passcode required to join.
• 애: the name of the Stray Kids’ digital single “Mixtape:애.”
• 발매일: 발매_發賣-일_日; release date.

“Passcode hint — the release date of the Stray Kids’ digital single ‘Mixtape:애.’”

Which is June 26, 2021. It’s 210626. There you go. Good luck with your K-pop journey.

Had no clue at first sight. Searched up a bit to figure it out.

“참코: 애 발매일.”

• 참코: 참가_{參加 joining} 코드_code; passcode required to join.
• 애: the name of the Stray Kids’ digital single “Mixtape:애.”
• 발매일: 발매_{發賣 release}-일_{日 date}; release date.

“Passcode hint — the release date of the Stray Kids’ digital single ‘Mixtape:애.’”

Which is June 26, 2021. It’s 210626. There you go. Good luck with your K-pop journey.

Had no clues at first sight. Searched up a bit to figure it out.

“참코: 애 발매일.”

• 참코: 참가_參加 코드_code; passcode required to join.
• 애: the name of the Stray Kids’ digital single “Mixtape:애.”
• 발매일: 발매_發賣-일_日; release date.

“Passcode hint — the release date of the Stray Kids’ digital single ‘Mixtape:애.’”

Which is June 26, 2021. It’s either 210626 or 0626. There you go.

Had no clues at first sight. Searched up a bit to figure it out.

“참코: 애 발매일.”

• 참코: 참가_參加 코드_code; passcode required to join.
• 애: the name of the Stray Kids’ digital single “Mixtape:애.”
• 발매일: 발매_發賣-일_日; release date.

“Passcode hint — the release date of the Stray Kids’ digital single ‘Mixtape:애.’”

Which is June 26, 2021. It’s 210626. There you go. Good luck with your K-pop journey.