I'm here to explain the 3 new characters
Ryona Hyuga-a girl who is good at using lightning style and Byakugan she has a crush on Kakashi
Shine Aburame-has poison bugs that he developed himself. He's usually quiet, kind and is a force to be reckoned with in taijutsu, and bug jutsu
Nagano Ryoka comes from a clan of shinobi who specialize in stealth though Nagano is a rival of Obito and is loud mouthed
Kakashi Senju (Kakashi Hatake)- Grandson of Tobirama, godson of Jiraya.
(Jiraya was good friends with Sakumo. Jiraya has Senju blood though its inactive)
Obito Uchiha- is a reincarnator, has the 2 tomoe sharingan and unlocked scorch release scorch release.