itch.io

then it will unlock automatically. Sure you missed some place

1) bedroom, 2) Norikos bedroom,(can't go there twice, so do it when you go there immediately) 3) common hall in front of bedroom, 4) living room and kitchen, 5) place with shoe and stuff before going outside the  house, 6) outside the house, 7) park, 8) dojo, 9) restaurant, 10) minatos home, 11) kombini ice cream parlour

As far as I remember you need to collect all money, and then finish the game, I was confused at first as well