The Transformation of Ryoga (良牙変身 Ryoga henshin?) is the 15th chapter of the manga and the sixth chapter of the Ryoga Hibiki Intro Arc. One dark and stormy night Ryoga arrives at the Tendo home ready to fight Ranma once again. Everyone is asleep and Genma is very angry about being woken up in the middle of the night, so he throws the two boys outside. Ranma lands in the koi pond and transforms, but Ryoga is very careful to stay under his umbrella. After Ryoga is forced to leave when the drops his Umbrella, Ranma finds a dog he believes to be Ryoga while Akane finds an odd black piglet in her room.