My brother's wife came home soaked after a sudden thunderstorm on the way back from grocery shopping. She was soaked from the rain and her bra was showing, and I got a pounding erection! As if she could see right through me, she tried to seduce me for fun. I was disappointed in my own pathetic state that I got hard from a bra like that, but I thought I'd never get another chance like this! So I accepted her invitation and secretly committed NTR! I'm sorry, big brother! I can't resist that temptation! It's all the result of a series of coincidences, so please forgive me!