>>49807690
Yep, Reimu+Spring.
With LoLK I think it took about a week or two with on and off playing. If you're hellbent on a quick 1cc, use Reisen and hoard lives through the first four stages. You will need them for the hell that is Normal Clownpiece.
Anyway I'm on an absolute tear with the more recent games and just Normal 1cced WBaWC in 21 hours on Reimu Otter.
I feel like Otter is this game's LoLK Reisen because ottermaxxing into beast mode is the biggest cheat code ever, plus it's a huge score booster. I'm essentially just wiping bullets out and turning it into easy modo, plus I get lengthy bombs. Still lost two lives in Keiki like an idiot but when the otters came in to help at the end I was at ease.