They have the same vibe of becoming family even though you aren't related. There are themes of overcoming different struggles and taking care of each other through it.

Same Genre
They explore darker themes of with tensions, suspense, and complexity.
Character Driven
They prioritize character driven storytelling, where emotional depth and interpersonal relationships are the plot. Both leads navigate through moral dilemmas.
Short
Both are rather short dramas with The Bequeathed being 6 episodes and The Frog being 8.

If you really liked the first season, you'll be excited to know they are making a second season two