During a routine medical checkup, it's revealed Button Mash is afflicted by a rare, if thankfully harmless, magical mutation. As the symptoms begin to manifest, it's up to him and his mother to deal with them and adjust their daily lives to the new situation. Things quickly spiral out of control however, and the consequences may be different from what any of them anticipated.

Contains: Hyper cock, hyper balls, hyper ejaculation, incest, cumflation, boobjob, oral, breast expansion, ass expansion, impregnation, lactation, hyper pregnancy, multiple concurrent pregnancies

A commission for SirTankaDank.

Cover art cropped and edited from image number 1468275 on Derpibooru.