Arc 2: Soul Society: The Sneak Entry
This volume first introduces the captains of Gotei 13. They are Genryūsai Shigekuni Yamamoto of the 1st Division, Suì-Fēng of the 2nd Division, Ichimaru Gin of the 3rd Division, Retsu Unohana of the 4th Division, Sōsuke Aizen of the 5th Division, Kuchiki Byakuya of the 6th Division, Sajin Komamura of the 7th Division, Shunsui Kyōraku of the 8th Division, Kaname Tōsen of the 9th Division, Tōshirō Hitsugaya of the 10th Division, Zaraki Kenpachi of the 11th Division, Kurotsuchi Mayuri of the 12th Division, and Jūshirō Ukitake of the 13th Division.
Ichigo, Inoue, Chad, Ishida, Yoruichi, and Ganju manage to enter the barrier of Seireitei. However, they are separated into 4 groups: Chad, Inoue, and Ishida; Yoruichi; Ichigo and Ganju. Ichigo and Ganju confront Ikkaku Madarame and Yumichika Ayasegawa. Ichigo engages in a fierce battle with Ikkaku and ultimately manages to defeat him. This sets the stage for further adventures and challenges as they continue their journey in the Soul Society.