Using the game by Guilty .

Jun can be a lovesick student at Seikyo School. One among his classmate's, Sae, has the hots for him. But Jun includes a taste for your forbidden, ripened fruit of Sae's mother Keiko, who also is their teacher. Little does he know that he's planning to sample good both worlds. Whether he's satisfying Sae's sexual curiosity or satisfying his or her own with the experienced Keiko, Jun always gets a b- for effort!