Sayaka Kanegawa of Nogizaka46 Shares Four Back-Cover Variations for First Photo Book 好きのグラデーション Featuring a Mischievous Smile on a Boat

Nogizaka46 member Sayaka Kanegawa revealed four back-cover variants for her first photo book 好きのグラデーション. The previews show her with a mischievous smile while out on a boat.