Time Travel: the Nikkei World Is Really Unfriendly

Lin You, who redeemed the time-travel props, was saved by a beautiful girl when he was about to use them. "Become my housekeeper." The girl's mother said to Lin You. "This is the secret of the Zhou Fangyuan family!" Lin You's head hurt a little. "That's not how the system is used at all!" Looking at the people in front of him, Lin You's head hurt even more. ... In short, there is no reason to lightly modify the world of galgame without logic, deus ex machina? Open a harem? Full level in one day? That's no big deal. Anyway, everyone will get a happy end in the end, Except the author. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.