Ryu Kumon Arc

The  is the 70th story arc covered in the Ranma ½ manga, spanning ten chapters. This arc was included in volume 28 of the  and volume 26 of the Viz Media tankōbon.

Plot Summary
Ranma is still hiding the truth from his mother, meeting her only as "Ranko". His delays finally turn against him as Nodoka meets a young man who claims to be Ranma Saotome. Imposter's real name is Ruy Kumon of the Kumon Dojo. He mastered the Yama-Sen Ken, a deadly fighting style that was created by Genma Saotome, and now wants to learn secrets of the second counterpart method Umi-Sen Ken. He thinks by pretending to be Ranma he can obtain the scroll.

Characters Introduced

 * Ryu Kumon
 * Ryu Kumon's father