Is it just me but cant they spend 2/3 of their time in sth cheaper than 75/night for the both of them (even in osaka you can stay in apa/toyoko inn for less than that) and splurge(or simply, spend) their money elsewhere? Another option would be sample once a japanese love hotel for a “night”.
ps dont forget toyoko inn serves a bottomless breakfast. If ure sneaky u can fill up urself and sneak out an onigiri or 2.