Very coincidentally this evening I've discovered Sana for the first time while I was watching the bonus 'Making of' disk for Sasshi's Gradcon DVD. She instantly made an impression on me, she has a lovely smile and as @nvmea says she has strong Sahoo vibes. I've made a couple of screengrabs from the disk:
She anounced her graduation today. She wants to focus on her studios. Graduation show is scheduled for 03/22 http://www.hkt48.jp/news/2021/03/7206