More umus, the better.

Base +7, Baphomet669 +11, Lostalgia +6, shuntensatsu +14, void-stealer +6, shadow king +8, warellis +7, Poinf +8, darklord1235 +8, Pr1de +4, neoeccel +7, KanoBiggy +6, astray_flame +20, and 5 more...

Pretty good, but I can do this with THREE Umus!

Base +7, warellis +7, Ero K-mi +6, KJAZZ +6, Lostalgia +6, shuntensatsu +14, Shaff +6, KanoBiggy +6, astray_flame +20, see-eff +6, Chilean_Guy +6, cheg0 +13, shadow king +9

I immediately got hard at the cover but it instantly deflated once I beheld the page number. Maaaaan

Base +6, heh...narto +6, warellis +7, Nomake Wan +16, Lostalgia +6, Pr1de +4, sock puppet +6, neoeccel +7, ALNu +6, astray_flame +20, Chilean_Guy +6

"UMU Intensifies"

Base +5, warellis +7, Lostalgia +6, shuntensatsu +14, Pr1de +4, Shaff +6, Hurahara +19, KanoBiggy +6, astray_flame +20, Chilean_Guy +6, cheg0 +13, HentaiJew +6

UMU in stereo

Base +6, Lostalgia +6, shuntensatsu +14, Shaff +6, KanoBiggy +6, Absy +6, astray_flame +20, raki-suta22 +6, Parabolic Box +6, Chilean_Guy +6, Crimson13 +8, cheg0 +13, HentaiJew +6

我他妈射爆

Base +6, cxxx -6

It's like Umu heaven, wish I was there. Also needs Saber Bride.

Base +6, KanoBiggy +6, astray_flame +20, Chilean_Guy +6

Those "this is not even nearly enough" faces on p.7 <3 Also yuri-kissing after the double blowjob. This needed at least double the pages.

Base +6