>>717131172
40m is 1.3m every day
You can get 500k in 1 Oguri run so that's just 3 runs a day.

Later when Seiun comes out, you can do the same 500k with 1 Seiun run except Seiun is an actually good parent. And god knows you'll want to do assloads of runs with her to get that 9* Stam parent you really want.