File:Kirito and Rain watching Seven writing a song HR WotS.png

Revision Source: Sword Art Online Hollow Realization

Source: Hollow Realization. Screenshot taken from Gematsu. Link: http://gematsu.com/gallery/albums/sword-art-online-hollow-realization/march-10-2017/Sword-Art-Online-Hollow-Realization_2017_03-10-17_019.jpg