Mihina is a fourth year university student who came as a teaching trainee. - Little did she know that a hopeless future was waiting for her... - Mihina is used as a teaching material by the principal who is a special advisor for the deep throat department, a specialized department that studies deep throat orgasms, and is stripped of even her human dignity by the perverted deep throat learning plan that is repeated every day, and her throat is raped. - It becomes just a lump of meat that can be eaten. - However, Mihina endures the distorted swallowing and eventually ends up experiencing more pleasure in the back of her throat than she can experience in the depths of her vagina...