Mutiple reports indicate that Senran Kagura Estival Versus is selling out in some locations.
Trader in Akihabara had "lines" on release day and states that the game is now in low supply throughout the district
http://mantan-web.jp/2015/03/27/20150327dog00m200038000c.html
Disc Pier in Osaka. No PS4 version remaining.
ディスクピアさん、Vita通常版のみ! pic.twitter.com/c6KaMcUxwl
— 高木 謙一郎 © (@kenichiro_taka) March 28, 2015
Same goes for some shop in western Tokyo
http://gekicore-gamelife.com/ranking/8058.html