I, Kasugano Yuu, Am My Doting Sister

After her parents died suddenly, Kasugano Yu, a time traveler, took on the heavy responsibility of taking care of her sister Kasugano Qiong. As the little princess of the family, he would rather be tired and miserable to meet his sister's requirements. Although it is a bit difficult, with the help of the system bully who has a must-have cheat finger, it is not a problem. My sister wants to read a novel, okay, I'll write it; My sister wants to listen to a song, okay, I'll sing; My sister wants to watch a TV series, okay, I'll play... In this way, while satisfying the willful demands of his little princess, Yuu unknowingly won three consecutive championships for "This light novel is so awesome", accidentally won the Newcomer Award in the Tokyo Enka Contest, and even accidentally let the TV series he starred in win a ratings legend. Therefore, when many reporters came to interview him about why he could achieve such outstanding results, he scratched his cheek and said shyly: "Probably, because these are... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.