Takuya just finished medical school and started as an intern at the hospital. The preceptor who was assigned to him was his senpai that he looked up to, Ryou.Only in his first day, Takuya gets hard as Ryou seduced her and he plays as her patient. The naughty doctor makes him cum so easily with her advances. Reunited with his childhood friend Mio and subject to Ryou's temptations, how will he proceed against the obstacles that he should overcome?