SPOTTED: Intertextual References

Thiu, played by Mark Pakin, references Bad Buddy and his character in it.

Gav and Cal were watching “Die Beautiful” (which Kokoy also had a role in).

Terrence and Wesley were watching "The Girl Allergic to WiFi" (which Adrianna So also had a role in).

Gav and Cal were watching “Die Beautiful” (which Kokoy also had a role in).

Terrence and Wesley were watching "The Girl Allergic to WiFi" (which Adrianna So also had a role in).

Various characters make references to each other about their roles in "Itaewon class" and "Crash Landing on You"

FL and ML watch Train to Busan

Imagination sequences that reenact "My Love From Another Star" and "Crash Landing on You."

ML, FL, and ML's father references My Neighbor Can't Sleep, in which ML's father is a character.

Toh's mom played the lead in Nang Nak (1999) and they recreated the lime scene to scare him and his friends.

 The leads are watching Love Tech (which is another production from Red Q)

Watching Start Up

ML was watching While you were sleeping

Watching Secret Crush On You (Ep. 1, Ep 8)
Watching Music Video

 FL was watching Yumi's cells 2

Characters were watching Bad and Crazy

Watching popular animes 

References The Love of Siam

the leads were watching Devil Sister.

watching SOTUS

watching Lovely Writer

Watching gogo squid

Wayne Song makes a cameo appearance and references "Swimming Battle" in which he acted with ML Aaron Lai

Ri Jeong Hyuk being obsessed with a game which was a reference to his character in Memories of the Alhambra.

ML (kim nam gil) mentioned the movie Memoir of a Murderer where he played the ml as well

FL was recalling past lives  and the FL (played by Seo Jihye) saw herself being a North Korean woman named Seo Dan (her character from Crash Landing on You).

The leads are watching "The Handmaiden."

Youn’s Kitchen in episode 11
My Golden Life in episode 17

In episode 1?, Mark makes a reference to his being in "Bite Me."
In episode 3, Boun dresses up like a guard from "Squid Game."
In episode 3, Boun and Talay are cosplaying "The Untamed."

Other dialogue references to "The Conjuring" and "Star Wars" (outside of MDL)

Makes a reference to ML's character in Hot Stove League

FL is watching The Master's Sun

Jim mentions that his nephew was named after Li Ming, the stage name of the Hong Kong actor Leon Lai who is the lead in Uncle Jim's favourite “Movie Comrades: Almost a Love Story,” of which we saw the dvd case for several times throughout the drama.

Heart and Li Ming are watching "Fast & Feel Love" as their first movie together.

FL makes reference to the Reply drama and comments that the ML looks like Jung Bong (who the ML actor played).

https://mydramalist.com/180-im-a-cyborg-but-thats-ok

Wang Yu Wen and Wang Zi Qi's characters watching themselves in "Once We Get Married" (2021)
ML and kid watching "Once We Get Married" and mentioning the resemblance of the characters.

ML's title card says "Likes: Mint Chocolate Ice Cream. Dislikes: Dentist" which is a reference to Strangers of Hell where he is also a ML.

Makes a reference to Crouching Tiger, Hidden Dragon (Episode 5)

Episode 19: The Male Lead says "if there is another life, you will be my mistress and you will let me serve you at ease." which appears to be a reference to Eldest Princess Above, which has the same cast

The leads watch The Master’s Sun in episode 4.

Thee and Tan are watching "Tales of the Grandmaster" in episode 8.

Type is watching TharnType season 1 while ironing clothes.

“The first one is a relationship between a human and a ghost who meet on the tomb sweeping day” —> He’s coming to me

“The second couple is in a love-hate relationship. They’ve been competing since they were kids because they live next to each other” —> Bad Buddy

“A volunteer teacher in the mountain and a forest ranger.” —> 1000 Stars

References "My Bromance"

In episode 5, Goo Tae Song is watching Kill It.

In episode 2, scenes from The Untamed were recreated.

A scene from Descendants of the Sun was recreated

FL is watching Remembrance of Things Past

A cameo from the characters in Light On Me make reference to how a character looks like someone they know - a nod to the actor being in both dramas.

In episode 3 or 4, the FL makes a reference to Jewel in a Palace - a drama she had previously acted in as a child.