Pill of Obedience Arc

The  is the 46th story arc of the Ranma ½ manga, spanning one chapter. It was included as part of Volume 19 of the  and volume 17 of the Viz Media tankōbon.

Plot Summary
Ranma breaks up another one of Happosai's panty raids, and Happy takes his revenge by slipping Ranma a Shujyugan Obidience Pill. The pill has a strong magnetic attraction and causes Happosai and Ranma to stick together. The two are inseparable unless the pupil (Ranma) defeats the master (Happosai). Happosai refuses and dodges all attacks Ranma throws at him. Finally, Ranma enters the girls' locker room and covers Happosai so he can't see them changing. Happosai throws a fit and crashes into the boys' locker room, and Ranma easily defeats the horrified Happosai and the two are separated.

Major Events

 * Ranma beats Happosai by preventing him from seeing girls in the locker room.

Changes in anime

 * Anime skips scene with Kuno, but all scenes with Ukyo are anime exclusive.
 * The longer they're stuck together, the more obedient Ranma becomes, acting nice to Happosai and even sharing his view on girls.
 * Climax is slightly different. Now obedient Ranma willingly goes to girl locker room, but his friends prepared a trap. Instead of girls, the room is filled with his classmates crossdressing, plus Genma and Soun in the front. Image is so horrible it petrifies Happosai and snaps out Ranma long enough to beat him.
 * Story ends with Ranma's little revenge, As any obedient student would, he takes care of wounded master, by feeding him Akane's disgusting cooking.

Characters Introduced

 * No characters were introduced in this arc.