On August 19, 2025, the 5th Astronomy Workshop for Beginners was held at Aoyama Gakuin University’s Sagamihara Campus. This workshop focused on “Radio Observations”, with Yoichi Tamura (Nagoya U.) explaining the fundamentals of radio observations and Kotaro Niinuma (Yamaguchi U.) introducing the principles of radio interferometry. Following the talks, participants engaged in lively discussions on the role of radio observations and their future prospects in multi-messenger astronomy, making the workshop a valuable opportunity to exchange knowledge across disciplines and foster mutual understanding.