Thread:FairySina/@comment-29268934-20170906222126/@comment-6078077-20170929160041

Ah, idk. It's just a lazy move. It's not hard for a studio like Toei to put two existing files together and call it a "duet", you know. I even doubt that the seiyuus of Ayane and Aoi came to the studio to once again sing the song.