Both of these dramas play with the idea of alternative universes where small details defer, and the leads are forever connected by a single interaction with each other.

Both stories involve one of the leads having a long-term secret crush on the other lead. This lead is very attentive and knows everything about their love interest. both dramas also feature similarly shameless female villains who don't get the time of day. And both dramas feature a main lead that really needs learn how to court their crush like a normal person (without spoiling too much).

They both also feature the beginnings of other relationships, including an established lesbian one.

Uea (Bed Friend) and Nubdao (Astrophile) are both main leads in their drama with a highly strained, primarily financially-driven relationship with their mother (with varying degrees of redeem-ability). They both find themselves frequently getting taken advantage of, with only their close friend relationship with a coworker providing them respite. They also both have an initially abrasive dynamic with their eventual love interest who keeps coming around in an attempt to change their impression of them.

Both of these dramas focus on a group of musician/idol hopefuls as they work towards a debut, find romance, and are confronted with life struggles.

Both of these comedy films center around the 10 romantic partners of the male lead. In both, the male lead becomes subject to a murder plot.

Both of these BL short films feature a couple that is is losing their romantic spark for each other and neglecting each other's needs. And so, when a new person enters the throws with a flirtatious presence and a listening ear, their relationship further gets tested.

Both stories feature prominent storylines with nuanced portrayal of BDSM relationships (main storyline in Love and Leashed; support character storyline in Warp Effect), with the male character being the submissive to his romantic interest.

Both of these dramas are Noona age gap romances which feature clear life/love lessons that relate back to their work. They both also feature similar support characters, both of the lovable and annoying variety, and multiple couples of different ages and with different struggles.

Both of these BL dramas center around an up-and-coming boy group. Despite rules against dating, two central characters take a turn from rivals into lovers.

Mame's "The Boy Next World" BL focuses on the characters Cir and Phu who are a secondary couple in TharnType 2.

Both of these dramas feature prominent lgbtq+ characters, with the male lead having to solve a mystery surrounding his connection(s) to other characters in order to return to his home timeline/universe.

Both series feature a prominent support storyline with a flight attendant averse to holding down a romantic relationship, and instead prefers one-night stands and friends-with-benefits relationships. They also both feature prominent storylines of sismance and pregnancy, as well as themes around communications and overcoming obstacles in new relationships.