Song Yilan was a shut-in in his previous life, and his greatest hobby in this life is staying home. But things don't go according to plan: Song Yilan transmigrates. The good news: he's the male lead's revered master. The bad news: he has to maintain his persona. The worse news: the male lead wants to kill him.
Theme: Bury winter's regrets in the snow, and wait for new hopes to bloom next year
