Maaaybe not at first glance, but by episode 12 of The Light In Your Eyes, you’ll see the similarities. If I explain further, I’ll be at the risk of spoiling both.

They are both about a young boy who is wronged by the law. In both cases the boys have super-abilities (one is more ..fantastical than the other). Both stories also contain an older noona through whom the boy's goal of bringing the criminal to court is accomplished. This noona also serves as the love interest.

There are even parallel scenes.

In other words, they are pretty much the same, except for casting, music, and circumstantial differences. Soo Ha and Dae Gu would find they have waayyy tooo much in common, if they met.

Oh, but there is one notable difference: Hye Sun is bold and sassy throughout the show, Soo Soon only manages to be bold and sassy while she's still a teenager. That side of Soo Soon dies out once she becomes an adult.

Chonmage is another touching father and son story. Chonmage Purin tends to be more humorous and has a fantastical plot, while Like Father, Like Son takes a more somber approach to fatherhood and tends to be more realistic.