Endless
Member
http://whois.domaintools.com/p5d.jp
http://whois.domaintools.com/p5u.jp
Update:
p5r.jp
http://whois.domaintools.com/p5r.jp
p5ag.jp
http://whois.domaintools.com/p5ag.jp
So Persona 5: Dancing / Persona 5: Ultimax / Persona 5: After Golden / Persona 5: Racing (?) lol
via @MysticDistance