manda
Do you mean the akatsuki?
the gender is a guy you can tell
orochimaru's arms get healed but then he ends up dying
No, I am sorry but there is no spell known that can altar a person's gender.
Gender is a socially constructed concept that influences how individuals identify and express themselves in relation to societal expectations of masculinity and femininity.
No. Orichimaru killed the 3rd hokage when the 3rd hokage used this jutsu to sacrifice his life to take Orochimarus arms so that he cant do jutsus. But,that isn't really Orochimarus body so he can just get a new body.
no he likes the mergirl when they lok for orochimarus base with tenko his ex student
it does not prepare people for real life
No. There are no magical potions. Sure, there are hormones, but their effects are limited and don't change who someone is. It is also unhealthy to think of hormones as "magical," since that can lead to hormone abuse.
obviously a boy
Rems is a Girl, well a woman by human standards.