As per the Hanteo chart data released on April 7 KST, Mark from NCT made a solo comeback with his debut album 'The Firstfruit,' showcasing the title track "1999." The album achieved sales of 274,xxx copies on its launch day.

This milestone places 'The Firstfruit' as the second best-selling album in terms of first-day sales among NCT members, following Taeyong's 'Shalala.'

'The Firstfruit' marks Mark's first full-length album, encompassing 13 tracks: "Toronto's Window," "1999," "Flight to NYC," "Righteous," "Fraktsiya," "Raincouver," "Loser," "Watching TV," "+82 Pressin'," "200," "Journey Mercies," "Mom's Interlude," and "Too Much."