Naoki Urasawa's Monster Season 4 Episode 3 4-03

While searching for the sign with the three frogs, Nina is surprised that she knows the surrounding buildings and streets, but there is a shadow of fear in her memories. Meanwhile, Tenma and Grimmer get an important testimony from Lanke. He tells them that his job was to obtain the "monster's identity." He also tells them that there was a man in the secret police who was known as the "Man from the Red Rose Mansion," and that this man was a picture book author. Meanwhile, something unusual happens to Nina when she enters the building with the sign with the three frogs!