なおしちゃう
yominaoshichau

Godan Verb (su)
Godan Verb (u)

The completive aspect (contracted form) - indicates completion or regret of 読み直す

1. Reread; Rereading (with nuance of doing it completely/thoroughly); Rereading (with nuance of regret/having to reread)

Completed Action
Colloquial