Knights Restaurant is a Manga/Manhwa/Manhua in english language, manhwa series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

"Reversing the hourglass of blessings." Blessings? At this point, isn't it a curse? After 99 regressions, Chef Baek finally succumbed to the demon..