Elf: Became a Ninja Frog? Awaken the Sharingan!

My name is Su Chen. I traveled through time and became a croaking frog? Originally, I just wanted to survive, but the sign-in system accidentally awakened. Sign in for one day and get 100 experience points and the Ninjutsu Sharingan. Sign in for one month and get 1,000 experience points, Ninjutsu Yekai. Sign in for one year, gain 10,000 experience points, and be reincarnated in Ninjutsu. …………. My name is Su Xiaonuan, I was born in a big family, and now I am a rookie trainer. I don't like the elf arranged by my parents for me. I have to rely on my own ability to conquer it! Until I contracted a ninja frog, I regretted it. This guy only eats and sleeps all day long, and he doesn't even bother to move. But it wasn't until the day the enemy killed my family that I knew what terror was. This guy, with one six-path Earth Explosion Star, instantly killed six dragon kings. And why can he turn into a human form? There are even some handsome guys..., This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.