Manaka Shida is a Niigata-born model and former member of Keyakizaka46. She joined the group through its first-generation audition in 2015 and concluded her Keyakizaka46 activities in November 2018, later working in modeling, television, radio, and publishing. Her first photobook, MONA, was released in 2023, and a second volume, MORE, was announced for November 2026.