Watch on 123Movies. The 6th Hinatansai is a live concert to celebrate the 6th anniversary of Hinatazaka46. It was held on April 5 and 6, 2025 at Yokohama Stadium. On the April 5 concert, a graduation ceremony for the 1st generation member Sasaki Mirei was held; on the April 6 concert, a graduation ceremony for the 1st generation member and captain Sasaki Kumi was held. The 5th generation members were introduced at this live.