Final Getsuga Tensho

Having lost and regained the Hogyoku, Aizen could not feel happy at all for some reason.

Because he had already undergone an initial fusion with the Hogyoku, Aizen could sense its consciousness and thoughts.

The moment Yoru Machi said he wanted to swallow the Hogyoku and fuse it with his soul, the consciousness Aizen received from the Hogyoku filled him with profound despair!

Damn it, it had clearly already completed an initial fusion with him and was halfway in, yet the other guy merely expressed a little interest, and his goddess instantly turned into a desperate simp!

Although Yoru Machi ultimately did not fuse with the Hogyoku, Aizen now felt as though a vast green prairie had appeared above his head.

Thinking of how the goddess he had willingly devoted everything to was someone else's obedient simp at his beck and call made Aizen feel as though his heart had been stabbed.

The conscious Hogyoku also seemed to feel that its behavior just now had somewhat hurt the feelings of Aizen, its simp.

Before its male god fully accepted it, managing its backup's emotions was still very important. It had to give him a little sweetness now to stabilize his emotions.

And that sweetness was another wave of evolution for Aizen, who had once again gained control of the Hogyoku!

As Aizen's body changed once more, three pairs of enormous butterfly wings grew from his back. A hollow with the Hogyoku embedded at its center appeared in his chest, his right hand fused with his Zanpakuto, and a slit resembling an eye appeared on his forehead. In appearance alone, he no longer belonged to the category of Soul Reapers.

And beyond those outward changes, Aizen's spiritual pressure underwent another explosive surge.

He had now completely evolved into a higher dimension