This manga would be funnier if it were set in America and instead of Mie saying she forgot her glasses she says my health insurance doesn't cover vision so I don't have glasses.
@anon_whos_not_a_fag 'cause insurance companies often have exclusive deals with various businesses that force their employees to use specific insurance policies, so they can do whatever the hell they want to be mutually beneficial to the two businesses while shafting random low level employees. Alternatively, I could have just said "'murica"