The Phantom Lingerie (怪異・残されぱんつ Kaii nokosare pantsu?) is the 234th chapter of the manga it is also the first and only chapter of the Phantom Lingerie Arc. Happosai finds a girls dormitory filled with bras and panties, but as soon as he gets them home they turn to paper. Ranma and Akane investigate Sainokawahara Dorm where he got the panties to find out what's going on.