Tsukada Osamu (塚田 理) is a new character who appeared in Tokihogushi-hen and Miotsukushi-hen of Higurashi no Naku Koro ni Kizuna. He is Deputy Secretary of the Minister of Health department. He used to be an old classmate of Minai Tomoe in their Senior Year of High School together, and rumor has it that they used to date in their time in high school but broke up.