Girl group NiziU, a member of JYP Entertainment (JYP), unveiled a group teaser ahead of its official debut in Korea. Girl group NiziU will make its domestic debut on the 30th with the release of its 1st single "Press Play" and title song "HEARTRIS". The nine members of Mako, Rio, Maya, Riku, Ayaka, Mayuka, Lima, Miihi and Nina selected through the global audition project 'Niji Project' released their Free debut song 'Make you happy' And Billboard Japan. After their official debut in December 2020 with their first single 'Step and a step', they entered Japan's representative year-end special program NHK 'Red and White Jagajeon' and developed large-scale collaborations with various global brands, leading the 'Niju Syndrome'. Following the massive arena tour in 2022, Osaka Kyocera Dome and Tokyo Dome held a solo concert in a year and 11 months after their official debut. In recent years, he has conducted a second solo tour of 17 times in eight cities in Japan, which attracted about 185,000 spectators, and reaffirmed his popularity and influence by opening his first stadium. Niju, who has made a meaningful achievement and showed a hot topic, announces his official debut in Korea through his first single album 'Press Play'. From the 16th to the 18th, we showed personal and unit teaser images on the official social media channel, and we opened a group photo at 0:00 on the 19th. In the new image, Niju showed off her beauty like a character in a teen movie wearing a black and white color scheme. The aura was poured out with confident eyes and imposing attitude, and the harmonious visual sum of the nine members added to the expectation of Niju's Korea debut and new album concept. The new album 'Press Play' includes three songs, including the title song 'HEARTRIS', 'Lucky Star' (Lucky Star) and 'Paradise (Korean Ver.)' (Paradise Korean version). JYP producer J. Y. Park, 3RACHA, a production team within Stray Kids, which consists of Bang Chan, Chang Bin, and Han, star composers Shim Eun-ji and VERSACHOI from JYP Publishing, and famous K-pop songwriting team Danke, added their hands to improve the perfection. The title song 'HEARTRIS' is K-pop representative producer J. Y. Park completed the lyrics and added Niju's bright and lovely charm. J. Y. Park participated in various recordings released by Niju from Japan Free debut digital album 'Make you happy'. 'J. Y. Park - Niju 'couple will create synergies that attract domestic and foreign listeners. On the other hand, Niju's first single album 'Press Play' and title song 'HEARTRIS' will be officially released at 6 pm on the 30th.