Travel Through the Water Margin and Become the Big Dipper

[No heroine + system + time travel] "What... Aphrodisiac..." "Shh... Don't be so loud! It's so embarrassing for people to hear you!" "This is... No way..." "What nonsense are you talking about!" "I took it too many times in one night. I drank this medicine to replenish my body. One bowl of it takes effect quickly." "Is it really that good?" "Awesome" "Did you buy it at that pharmacy?" "The drug store has this good stuff. I bought it from Grandma Wang." "No, Mrs. Wang sells medicine!" "Wang Po sells medicine."