I'm on episode 3 of Love is Better Than Immortality.

Both shows have a fake sibling relationship.

In My Dear Brothers, it's because the male lead had never been around a female before so was confused and ignorant about different male/female relationships.

In Love Better Than Immortality, it's because the female lead lost her memories and the male lead is pretending to be her brother to get her to steal something for him.

Alen Fang, who plays Wei Shu Yu in The Long Ballad, plays the main character, Li Qian, in The Love by Hypnotic.

The both have revenge themes as well as a love triangle, and have political aspects between two different countries.

I enjoyed both of them. ^_^