Heart

Ash's penis became a cute Pikachu vagina, and teats grew along her belly, causing her to 'chaaaa' in pleasure. She shrunk to Pikachu's size, although a tad smaller, and felt fur grow all over her body. She was almost done, her face stretching out into a small muzzle, her cheeks become electric sacs, and her ears stretched up. She let out one last 'CHUUUUUUU!' of pleasure, and was knocked down by Pikachu, nuzzling against her electric sac on her cheek. "I saw everything." Pikachu said, causing the pikachu girl to wriggle a bit in surprise, obviously thinking he didn't. "When you went 'chaaaa', i woke up. Sorry, but you didn't surprise me like you wanted to." He spun with her in his arms, before losing his balance and causing them to fall onto Pikachu's bed, Pikachu on top. Pikachu got up to reveal he had an erection, causing Ashchu to blush and say...