The Jiro Kuwata you don't know about is here! All 15 works included are now in book form for the first time!! Manga magazines for adults such as "Play Comic'' and "Young Comic'' This book, which carefully selects and includes only the erotic SF works published is a collection of Ura Kuwata's masterpieces! The second edition of the “backside masterpiece collection” that condenses the essence of the genius Jiro Kuwata All 21 works included are now in book form for the first time! Eroticism transcends time...