I, Qianyi, What the Hell Is This Soul Egg?

Chiba traveled through time and became Qianyi, the male protagonist of Kamen Rider Amazon. At first, she was still thinking about how to survive under the hands of her cheap father, but she found that something seemed not right. Why did she go to Tokyo? Also, what the hell is the egg under her butt? Most importantly, what's going on with the cold, pink-haired kid next door? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.