BTS will have a Japanese release on July 3, 2019 titled Lights from the single release “BTS SINGLE「Lights/Boy With Luv」”.
Here are some screencaps of the BTS members from the Lights teaser:
BTS Lights Teaser J-hope
BTS Lights Teaser Jimin
BTS Lights Teaser Jimin
BTS Lights Teaser Jin
BTS Lights Teaser Jungkook
BTS Lights Teaser Jungkook
BTS Lights Teaser Jungkook
BTS Lights Teaser RM
BTS Lights Teaser Suga
BTS Lights Teaser V
BTS Lights Teaser V
BTS Lights Teaser