It is a work that you can enjoy while explaining hundreds of erotic terms in this world with images. Even if I say erotic terms in one word, there are many kinds. In this work, about 100 such erotic terms will be practiced and explained in easy-to-understand erotic scenes. Everyone seems to know, but in fact they don't... The erotic terms you see and hear in AV... You were somehow nagging! Please take a look.