DS Kageyama Method Dennou Hanpuku – Masu x Masu Pre-Hyaku Masu Keisan – Hyaku Masu no Mae ni Kore Da yo! (Japan)
DS Kageyama Method Dennou Hanpuku – Masu x Masu Pre-Hyaku Masu Keisan – Hyaku Masu no Mae ni Kore Da yo! (Japan)
