This app was mentioned in 6 comments, with an average of 1.83 upvotes
Not Kairosoft, but very similar in terms of visuals and gameplay: A Story of a Band, check it out.
A story of a band? https://play.google.com/store/apps/details?id=com.bandgame
If it's A Story of a Band it's not Kairosoft but darn close and quite fun in its own right.