Both use the theme of a co-ed share house run/owned by a musician.....................................................................................................

Both are short dramas that use a theme of a share house that is co-ed................................................................................................................................

Both show a band and a movement being formed amidst war. Both show strong female leads that bring huge contributions to their groups. "Sunny" movie is a bit mature w/ its vivid war scenes.

Both have male lead changing daily. In Beauty Inside the person inside stays the same but outside changes, in Wednesday is Missing it is the opposite.

Both have the male lead character suffering from Multiple Personality Disorder..........................................................................................................................

Both have main lead characters that have an allergic reaction to the touch of another human being. However, there is one person in the world that is specifically a match for them......

Both involve a rising talented female musician that got pregnant unexpectedly & gave up their music stardom dreams to raise their child. Both show strong Independant spunky protective female moms. Luckily musicality can runs in the family.....

Both show stars deepening their relationships with a friend while traveling & experiencing new things. Lee Seung Gi & Jasper Liu are such a fun pair to watch, same with Lee Jong Suk & Kim Jong Hyun.

Similar in the fact that FL has a great relationship with 1 ML & a second ML, who is so obsessed, thinks stalking is protecting....I guess it is all in how you stalk.....

Part 3: See Part 1 .......................................................................................................................................................................................................................................................................................................................................................................................................

Part 2: See Part 1 ................................................................................................................................................................................................................................................................................................................................................................

Part 1: Watch First - Similarities include characters that have extraordinary powers, an evil entity that wants to be all powerful with his evil protegees & 2 brothers that band together along with a rag tag team of soon to be heroes in arms.