H&D is a male duo under Pocket Dol Studio. They will officially debut on April 21, 2020 with their upcoming mini album.
2020–present: "Happy Day" and debut mini album
On January 11, 2020, Hangyul and Do Hyon held a V Live broadcast stating that if the video was to surpass 100 million hearts, they would hold a fan meeting to greet One Its. A couple of days later, on January 16, their label MBK Entertainment announced their fanmeeting Happy Day : Birthday set for February 2. Teaser photos for the fanmeeting was dropped on January 18 and 19.
On February 24, it was announced that the duo will be releasing a mini album on March 26.
|Lee Han Gyul||TBA||2020–present|
|Nam Do Hyon||TBA||2020–present|
- TBA (2020)
- Happy Day : Birthday (2020)
- They both participated in the survival show Produce X 101 and placed in the top 11, making them a member of the boy group X1 until their disbandment.
- Hangyul is a member of the boy group IM.
- ↑ Allkpop: Lee Han Gyul & Nam Do Hyun promise to hold a fan meeting for One Its + update fans on what they've been up to
- ↑ Allkpop: Former X1 members Lee Han Gyul & Nam Do Hyun reveal details for promised fan meeting
- ↑ Allkpop: Former X1 members Lee Han Gyul and Nam Do Hyon get ready for their first fanmeeting with teaser poster
- ↑ Allkpop: Lee Han Gyul and Nam Do Hyon get ready for first fanmeet with individual poster
- ↑ Allkpop: Former X1 members Nam Do Hyun and Lee Han Gyul releases 'Happy Day'
- ↑ Soompi: Lee Han Gyul And Nam Do Hyon Announce Plans For Mini Album
- ↑ 이한결, 남도현 on V Live: H&D DEBUT ALBUM 발매 일정 관련 공지
- ↑ Herald Pop: '컴백 연기' 이한결X남도현, 30일 선공개곡 '낯설어' 공개..남도현 작사·작곡 참여