Swallowtail: Queens of the Night | A real story in which Nezumi Senpai enthusiastically depicts the youth of modern Roppongi and the hostesses gathering there, incorporating his own experiences and experiences. Mako Oda, an erotic idol with huge breasts, Sophia Kurasuno, who is fluent in Russian and has a talent, and Asuka Misugi, who is popular for her loli looks, play the beautiful and bewitching girls.