>>23892011. Events that feature Hitomi suits. I imagined that "banners" is standard terminology for gacha games and you were familiar with it but maybe not.
2. Just SRs and just hers. She has two like that other anon said. You get them over time naturally from rolling gacha, it's an inevitability but it does take time. Depending on your luck you're bound to get 12 of her SRs sooner or later. Certain events give a little extra coins but they're rare and far between.
