Eclair from Dog Days & Cinque Izumi (if you want to just do a random guy so u can Focus on Eclair, that is fine) in a rev cowgirl anal, like in this example (External ) same type expression, give Eclair boobs simular in size to Rukia, probly be best if i give you some examples in privet, cause in this pic the boob size and shape will be important.

Shion Sousaki letting Deku suck on her breast as she jerks him off like the ref. Shion’s shirt is torn open and her breasts hanging out. Deku is cumming a massive amount.