Both are Thai BL Drama Series that have a gangster vibe to them. In The Heart Killers, it is about a pair of hitmen brothers and a police spy and his mechanic friend. In Jack & Joker, it is about an ex-convict / thief and an enforcer for the mafia.
- action BL
- from enemy to lovers trope
- the one of main lead is a criminal person
- clingy main lead
- spy-ing kinda story
- old money kinda style ( the series feels like in old times or have 1990s vibes )
Both have main leads who are dominant, both have some violent themes/complex characters. Both have main leads who are addicted to the second lead despite the danger/trust issues or morals surrounding the relationship.
