I would join Squad 4 but would not get high in ranks as I do not have a lot of spiritual strength but I would have above average control and know basic healing Kido. I'd be very self conscious since most of the people there are human so I would do cleaning duties in secluded areas like the sewers or the roofs. My nervousness would lead me to slip and fall onto my back when sweeping or mopping so I wear my medkit in the front to prevent any damage to the supplies within. My zanpakutou would be a kaiken

Shikai: Hakkayu (薄荷油/peppermint oil)- A pendant that looks like a stylized peppermint leaf and flower with a long needle protruding from it. Anything touching the needle can no longer feel pain until Hakkayu is removed. However, the body part directly touching or stabbed by Hakkayu's needle will also go limp. It is impractical in battle as the pendant section has no grip and trying to hold Hakkayu by the needle will make the holder drop it.