Higher: Moon Lovers: Scarlet Heart Ryeo (the only one I could find amongst the dramas we've both watched that was a lower rating, 8.0 compared to my 8.5)
Lower: Boys Over Flowers (9.5 compared to my 5.5)
Higher: I couldn't find any
Lower: Twenty (9 compared to my 5)
Higher: A Beautiful Mind (my rating: 8.0 / your rating: 6.0)
Lower: You Who Came from the Stars (my rating: 7.0 / your rating 9.5)
Higher: Nobuta Wo Produce (7.5 to my 9.5)
Lower: Coffee Prince (9 to my 2)
Higher: Moon Lovers: Scarlet Heart Ryeo (7.0 to my 8.5)
Lower: Goblin (9.0 to my dropped)
MLSHR: Higher: 8.5 to my 9.5
tHE K2: Lower 6.0 to my dropped
Higher: Secret (9 to my 10)
Lower: A Beautiful Mind (8.5 to my 6)
Higher: Bad Guys (my rating: 8.0 / your rating: 7.0)
Lower: Angry Mom (my rating: 7.0 / your rating: 8.5)
Higher: LIFE (7.5 to my 9.5)
Lower: Love Shuffle (8.5 to my 4)
Higher: You're Beautiful (6.5 to my 10)

Lower: Couldn't find any
Higher:Couldn't find any xD
lOWER:DOTS (9.0 to my dropped 1.0)
Higher: 
↳ Sorry, couldn't find one that I watched!

Lower: Moon Lovers: Scarlet Heart Ryeo
↳ I thought it was good, but it wasn't worth a 9,5 in my opinion. I rated it a 7,5.
Higher: Moon Lovers: Scarlet Heart Ryeo (7.5 to my 8.5)

Lower: Goblin (9.0 to my dropped)
Higher: Goblin (my rating: 8.5 / your rating: dropped)

Lower: Moon Lovers: Scarlet Heart Ryeo (my rating: 7.0 / your rating: 8.5)
Higher: MLSHR 7.0 to my 9.5
Lower: You who came from the stars 7.0 to my dropped