Easter Egg & References in Dramas/Movies

Reference to : Kaitou Yamaneko

Explanation :
During the middle of episode 6, two familiars figures are seen walking and having a small discussion in a park. Those two characters are Katsumura Hideo (Narimiya Hiroki) and Kirishima Sakura (Nanao) from Kaitou Yamaneko.

Reference to : Kamen Rider W

Explanation :
At the beginning of episode 29, Canalo (Hyodo Katsumi) encounters a girl named Yui (Yamamoto Hikaru). She's seen holding a familiar green slipper. This slipper is actually a reference to her character "Akiko" in Kamen Rider W where she's often seen using the same slipper to hit her friends' head.

Reference to : Rinsho Hanzai Gakusha Himura Hideo no Suiri

Explanation :
Episode 6, background music and staging reference / full explanation will be added later.

Reference to : W

Explanation :
In episode 2, Kim Bok Joo (Lee Sung Kyung) encounters a customer (played by Lee Jong Suk) at a Chicken restaurant. Suddenly, a familiar OST from the drama W is being played (which is 'Where Are U by Jung Joon Young). Later on, the same customer meets Kang Dae Hee (Kang Ki Young) whom he believed, have played in a drama he's seen. Kang Dae Hee confirms his suspicion and then tells the customer that he looks like a character from a comic book. This discussion is a reference to the drama W where both actors played in and where Lee Jong Suk played a character who comes out of a webtoon.

Reference to : Secretly Greatly

Explanation :
Character reference / full explanation will be added later.

Reference to : Light On Me

Explanation :
Characters appearance in episode 1 & 4.

Reference to : Lovely Writer (Special Episode)

Explanation :
During episode 1 (uncut version), when Phob (Nut Supanut) is watching a video on Phat's (Plan Thanawat) computer, the audio of the said video can be heard and we can recognized two voices belonging to Up Poompat & Kao Noppakao where they played the main leads in the drama Lovely Writer. The scene Phob is watching is from the special episode of this series.

Reference to : Train to Busan

Explanation :
Lee Cheong San (Yoon Chan Young) mention the movie "Train to Busan" during one episode.

Reference to : Code Blue

Explanation :
At the end of the first episode, one of the character mention the drama "Code Blue".

Reference to : A drama/movie with Lee Min Ho

Explanation :
Halfway through the episode (or in the middle of episode 2 in the online version), Mob's mother (Funaki Sachi) calls him while crying asking him to do some grocery, she's in fact watching a romantic scene of a Korean drama/movie. She then proceeds to shout out the Male Lead name "Park-sama!". 

I unfortunately couldn't recognize the actual drama/movie for this one, I'm 90% sure the person we can see on the screen is Lee Min Ho, the woman with him looks like Jin Se Yeon but they don't seem to share any work in common. Any help is welcome!

Reference to : Baker Boys

Explanation :
During the last episode (10), one the main lead and his friend goes to a café. The said café is in fact the bakery of Punn (Lee Thanat Lowkhunsombat) from "Baker Boys" who welcomes them inside.

Reference to : Manner of Death

Explanation :
Episode 4, main characters appearance.

Reference to : Lupin III

Explanation :
Episode 6, mentioned by the characters. (Full explanation will be added later. // update: I forgot.. So until I rewatch it, I won't be able to elaborate on this one, sorry!)

Reference to : Yo nimo Kimyou na Monogatari Series

Explanation :
Mentioned by Aida Ayato (Suzuki Jin) while talking with Aoki Sota (Michieda Shunsuke) around the end of Episode 3.

Reference to : The Eclispe

Explanation :
Main characters are seen watching the series on TV during Episode 1.