Sayaka Kimura is a twenty-six year old women married to an older man who has two teenage children, a boy and a girl. Controlling different members of this household, the player follows a plot that mostly consists of sexual encounters of various kinds. Gibo: Sayaka plays mostly like a visual novel, with sparse movement and interaction, usually comprising context-specific action and dialogue choices. Most of the game is dedicated to sex scenes during which the player has to repeatedly go through the choices to trigger new ones and eventually conclude the scene.