I have shoes kinda like that but the shoelaces are black & short. But I got mines from DSW a shoe store. But I don't know were あなた live & what they have so IDK
Well I can name AMERICAN retailers..you can always buy online if あなた get your parent's permission. あなた could search: Urban Outfitters Modcloth 80s Purple Forever21 Steve Madden Aldos Zappos Probably any department stores like Macys,Dillars,Belk,etc.