Death: Studying Medicine Cannot Save The Soul Society

Senju Sei, also known as "Brother Sei," is a specially invited doctor of the Women's Death God Association, an expert in infertility and gynecology, the vice-captain of the Fourth Division, the most desired man of the Eleventh Division, ranked second among the top ten most popular Death Gods in the Soul Society (with the first place vacant), a distinguished guest of the four noble families, and the wielder of the strongest wood-type Zanpakuto—"Shinra Bansho"

The art of medicine and the path of return are where my interests lie. I am willing to continuously save the lost and suffering souls, contributing my modest efforts to the prosperity and flourishing of the Soul Society

Certainly, if medical skills can no longer save the Soul Society, then perhaps drawing the sword is also a good option

All things in the universe—The birth of the tree realm