[Machine Translation] Celebrating 20 years of serialization & 30 volumes! The invasion of the earth is not over yet! Celebrating the 20th anniversary of its serialization, Sergeant Keroro has finally reached the big volume of 30. In addition to the Keroro Platoon, this volume is filled with 20 years of Sergeant Keroro, from the familiar characters to the nostalgic ones, so be sure to check it out!