Your browser does not support grid, so will not be supported. Hover over your browser version to see if there is a way to enable potential support. Sorry, I am no longer able to justify working on making the layout work on older devices.
...Aki-kun, could you not touch your girlfriend's breasts to determine their growth status, making use of the fact that she can't let go of the controller while playing a game...?Katou... have your breasts grown recently?