In Simple 1500 series vol101 the Sentou the player takes the role of a young boy in charge of a bathhouse. Every week the player choose what duties will the boy do (cleaning the baths, rest, repair the cealing, put more fire to the kettle, etc.) Depending of the jobs the boy stats will increase or decrease.

And every week depending of what the player choiced an overseas reporter will come and make a report of the bathhouse, the same for the regular customers. In the game the player's character can even fall in love with some of the girls depending of his stats.

The game features different endings depending of the character stats and the bathhouse status. The customers and the audience is different depending of the bathhouse and there are different bathhouses and management tools to choose to play.