A very cliché time travel, a very cliché background, in short everything is very cliché.
Another very cliché encounter? Atobe Rena expressed her speechlessness - she might as well call her Miyamoto Rena, which happens to be the name of the vicious female supporting character. She can do whatever she wants. Her brother will definitely say "It's so ungrateful!"
Gorgeous or not, I have the final say. Are you the one who cares? If you are Daisuke Ono, everything is easy to discuss!
This article is a time-travel story that is so sweet that it is boring to death. The male protagonist is one of the Ice Emperors. It may be updated or abandoned. Everything depends on your support!