Falling in love with having an affair while fully clothed - Reiko Sawamura JUY-602

Saori, a married woman preparing for a class reunion, suddenly receives a package of high-end clothing without a sender's name. Normally dressed simply, she's delighted to put on the glamorous, form-fitting dress in front of the mirror. She secretly suspects the sender is Sugiura, who has always had a crush on her. But the moment Sugiura sees her in the dress he chose, he can't suppress his overwhelming lust and pushes her down…