Uma Musume - TeiMaku no Shippo (Doujinshi)

*"It's making me blush so hard~"* One day, Teio asked McQueen: *"I want to groom your tail!"* and after a while, McQueen had agreed to let Teio groom her tail. With her beloved Teio grooming her tail, McQueen's heart, for some reason, won't stop racing...!?