Man, I'd rather pay $50 bucks than spend time grinding another game.
Really? I think it feels like an FKG's Raid Boss participation. Just tap'em and leave'm. The only prize that requires a bit of grinding are the 8, Lv.100 Manyus.
FKG - Love Scenes/Videos Nutaku ID#: 1339015 / Fate GO ID#: Ara ~ 455,759,048 FKG ID#: (Tab below)