Hi Hello (Day6 song)

On June 30, 2017, JYP Entertainment showed a teaser image of Day6 leader Sungjin on its official website and social media accounts at noon. The image contains the words 'Hi Hello' and '2017.7.6 12PM', and said that Day6 will release the new song 'Hi Hello' at noon on July 6. {{Cite web|script-title=ko:DAY6 announces new digital single 'Hi Hello' On July 6, 2017, Day6 released the single "Hi Hello" and the song "Be Lazy" as a part of the Every Day6 project for the month of July. ==Composition==

"Hi Hello" was written by Young K and composed by Young K, Wonpil, Sungjin, Jae, Lee Woo Min and Homg Ji-sang. The song is composed in the key D Major and has 78 beats per minute and a running time of 3 minutes and 52 seconds.{{Cite web|last=|first=|date=|title=Key & BPM for Hi Hello by Day6 Tunebat|url= https://tunebat.com/Info/Hi-Hello-DAY6/0zDnaAWKRpibCTuSNHT8yL "Hi Hello" is a song decorated with lyrics of the content of love. With a more comfortable and romantic color than the existing title songs, the three-dimensional vocals that focus on the layer of the chorus stimulate the sensibility of the listener. {{Cite web|script-title=ko:DAY6, today (6th) new song release... I believe it even in July ==Promotion==

Day6 first performed "Hi Hello" and "Be Lazy" at the Yes24 Live Hall in Gwangjin-gu, Seoul on July 29 and 30, for their concert 'Every Day6 Concert in July'. {{Cite web|script-title=ko:DAY6, self-written song this time too.. 'Hi Hello' released today https://m.entertain.naver.com/home/article/109/0003571533 == Track listing ==

The music video shows a refreshing and fresh visual beauty reminiscent of a road movie. The Day6 members in the video created a romantic atmosphere, such as walking alone on the wide road or lying in the back of a running car and enjoying the sunshine. {{Cite web|script-title=ko:I believe it even in July...DAY6, 'Hi Hello' teaser released ==Charts==