Vol. 1Sōgo’s Return and Reforms
Sōgo Shihoin left Soul Society to master his Spiritual Pressure, then returned with allies from Hueco Mundo and rose to captain of the Second Division. He established a rotating rest schedule as Aizen pursued Baraggan and Kenpachi Zaraki claimed the Eleventh Division captaincy.
- Sōgo trained Kisuke Urahara and Yoruichi Shihōin at the Soul King Palace, then left for Hueco Mundo to control his immense Spiritual Pressure.
- Sōgo befriended Lilynette Starrk and met Szayelaporro, who offered to help them control their power.
- Sōgo built his influence in Hueco Mundo and returned to Soul Society with his companions, where he began academy life and caused trouble with his strength.
- Sōgo defeated Baraggan’s Decay, subdued the transformed Kuruyashiki Kenpachi, and later reunited with Yoruichi Shihōin.
- Sōgo trained Shaoling Fon, graduated with two Zanpakuto, and formed the Greening and Forest Protection Squad.
- After Aizen returned gravely wounded from the Quincy expedition, Sōgo led his squad through a special Senkaimon toward the Dangai.
- Sōgo survived the Hollowfication crisis, became Second Division Captain, and secured approval for rotating days off and eight-hour shifts.
- Aizen confronted Baraggan in Hueco Mundo, while Kenpachi Zaraki killed Kiganjō and claimed the Eleventh Division captaincy.