Both have that same fantasy vibe in a school setting....................................................

Both movies have a FL that experienced abuse and a guy willing to protect them/give them another life path choice.

Both are movies focused on a wife enduring domestic abuse from her husband that find a way to cope thru a silent, passive observer.

Both dramas feature a FL struggling with 2 personalities.......................................................

Both dramas feature a family centric plot with romance, parent son/daughter relationships, and a community raises a village underlying message.

Both present the idea that demons can be good & bad just as humans/mortals.....................................................

Both are movies & involve the age old question: Can Humans/Mortals & Demons coexist?...........................................

Both have a plot that centers around fate. One's happiness/luckiness is the other's misfortune/unluckiness. The main characters of both dramas experience what it is like to be in the other's shoes.

Privileged High School kids with dark and twisted views of the world with one of its story arcs centered around complicated friends' relationships. In the end someone(s) will learns to be a better person.

Both create fantastic friends to lovers stories with actors/actresses that give you the feelz. ................................

Both
-have an actress/actor that dies multiple times.
-Each death creates a new scenario
- Multiple time travel trips
Watch to see if time travel yields a happy ending like Lovely Runner.

They are similar in the fact that they are time travel dramas that utilize a watch as the trigger for time travel. Many more similarities but watching "The Light in Your Eyes" is the key to figuring that out.