The first official spin off of The Seven Deadly Sins (Nanatsu no Taizai) called Nanatsu no Taizai Seven Days ~Touzoku to Sei Shoujo~ depicts the story of the seven days that Elaine and Ban spent together. The first volume of the manga adaptation for this story came out on 14 July 2017. The fairy Elaine and the thief Ban were already very popular in the main story.
To celebrate this release, a PV with Tatsuhisa Suzuki as Ban and Kotori Koiwai as Elaine has been released. There is a 15-second and a 71-second version. The 15-second version was released 12 July 2017 at Joysound Karaoke all over Japan. And since 15 July, it has also been airing at Animate Ikebukuro on animate vision. The 71-second version can be seen on screens in various book stores all over Japan and on YouTube.