IZ unveiled the main poster in a surprise move, hosting its solo concert "Day & Night," which will be held at KT&G Sangsang Madang Live Hall on Sept. 28, is raising fans' expectations with the IZ's first concert in Korea since 2017. Expecting cool vocals from IZ and performance that captivates the stage, the performance is expected to be a venue to communicate with fans, wrapping up the first single of the past and the second single that is currently active.

IZ released the official poster of "Day & Night" on IZ official SNS. The posters released further amplified questions about the concept of the performance with a logo depicting day and night. Through this activity, IZ always agonized between popularity and orthodoxy and presented their musical direction. The concert will feature various stages of the concept IZ based on the music produced so far, day and night.

In August, IZ, which made a comeback with its second single, "FROM:IZ," performed its title track "Final Kiss." The cool, clean band music with its unexpected summer song is said to have washed away the last remaining heat of late summer. Since IZ is also a solo concert in Korea for the first time in a long time, itis also determined that it will show a high level of perfection.

In addition, ticket reservations for the concert will be held on the Internet reservation site Melon Ticket. Pre-orders for fan clubs have already started at 7 p.m. on Sept. 16, and general reservations are expected to be open at 7 p.m. on Sept. 18, drawing much attention.

Meanwhile, Iz's solo concert "Day & Night" will be held at KT&G Sangsang Madang Live Hall on September 28.