Make them extra horny for each other

Erza and Mirajane are both activated. They turn to see each other. The two go for a kiss then another and another. The their hands explore each other's beautiful bodies while the kisses are going on. Erza the gets on top of Mirajane with a sexy smile on her face. Mirajane feels Erza's larger breasts on top of her own breast. Erza fondles Mirajane's huge breasts. Mirajane blushes a deep red. Erza starts eating Mirajane's pussy. Mirajane loves this. This goes on for a while until she then says "my turn."

She gets on top of Erza and started aggressively sucking on Erza's massive breasts. Erza just feels a surge of pleasure.