Interview X

Xiumin debuted as a solo artist in September 2022, with the EP Brand New. On February 4, 2025, almost three years since debuting as a soloist, it was reported that he was preparing for a new album targeting to release in March. In addition, this would be Xiumin's first solo release under INB100, an entertainment company founded by his fellow Exo and Exo-CBX member Baekhyun in 2023. Ten days later, INB100 announced that Xiumin would be releasing his second EP titled Interview X on March 10. On February 17, INB100 revealed the scheduler with various contents for the EP. On the same day, the pre-order for the EP started at 14:00 (KST) until March 9, and it comes in three versions: Interviewbook, Photobook, and Kiwi Album. On February 19, INB100 released the trailer for the EP on their YouTube channel. The tracklist for the EP was unveiled on February 21, which includes the title track "Whee!" and five other songs and labelmate Chen wrote the lyrics for the track "Love Is U". On February 24, INB100 announced that Xiumin will hold a fan concert titled "X Times ( )" at Blue Square Mastercard Hall in Seoul on March 22, with two shows at 14:00 (KST) and 19:00 (KST). While the Asia tour will run across five cities from April to May 2025.

On March 3, 2025, INB100 released a video that contained the highlights each of the songs in the EP through their YouTube channel. The music video teasers for the title track was released on March 6 and 8, respectively. On March 10, Xiumin released his second EP along with the single "Whee!" and its music video.

One Hundred, Xiumin's label's parent company released a statement on March 4, 2025, that KBS has blocked Xiumin to appear on Music Bank because of SM Entertainment. In response, KBS denied the allegations and added that the production team of Music Bank has continuously communicating with INB100.