21 Days Theory poster

21 Days Theory

  • Drama
7.1

Overview

A playful rivalry turns into something more when a cocky senior dares his classmate to win the school’s top celebrity’s heart in just 21 days.

Status:Ended

Director:

Choi Sittichai Chutsiri

Top Cast

Patsapon Jansuppakitkun

Patsapon Jansuppakitkun

X

Khunakorn Sunantham

Khunakorn Sunantham

Q

Prat Itthichaicharoen

Prat Itthichaicharoen

Toy

Jirayu Sahguansin

Jirayu Sahguansin

Frank

Warisara Jitpreedasakul

Warisara Jitpreedasakul

Mind

Pischapron Ketawattananon

Pischapron Ketawattananon

Mook

Sarawut Siriphet

Sarawut Siriphet

Man

Official Videos

21วัน มีฉันมีเธอ [Official Teaser]

21วัน มีฉันมีเธอ [Official Teaser]

Similar Tv Shows

Queen For Seven Days poster
6.2

Queen For Seven Days

Oct 11, 2025

Burning Crimes poster
6.0

Burning Crimes

Oct 11, 2025

Three Girls poster
7.3

Three Girls

Oct 11, 2025

THE iDOLM@STER.KR poster
4.3

THE iDOLM@STER.KR

Oct 11, 2025

Lost Love in Times poster
6.0

Lost Love in Times

Oct 11, 2025

Project S poster
8.2

Project S

Oct 11, 2025

Starting From Now poster
4.8

Starting From Now

Oct 11, 2025

Miyuki poster
7.6

Miyuki

Oct 11, 2025

The Best Hit poster
7.1

The Best Hit

Oct 11, 2025

Spring Has Come poster
8.8

Spring Has Come

Oct 11, 2025

Unrequited Love poster
6.2

Unrequited Love

Oct 11, 2025

Lovers in Bloom poster
4.8

Lovers in Bloom

Oct 11, 2025

Medea poster

Medea

Oct 11, 2025

Contrato de amor poster

Contrato de amor

Oct 11, 2025

The Gangster Chronicles poster
6.8

The Gangster Chronicles

Oct 11, 2025

Pride poster
7.8

Pride

Oct 11, 2025

El Chavo del Ocho poster
8.0

El Chavo del Ocho

Oct 11, 2025

That '70s Show poster
7.9

That '70s Show

Oct 11, 2025

Just Another Love Story poster

Just Another Love Story

Oct 11, 2025

My Journey To You poster
7.6

My Journey To You

Oct 11, 2025

Recommendations

Hwarang: The Poet Warrior Youth poster
7.9

Hwarang: The Poet Warrior Youth

Oct 11, 2025

I'm the Most Beautiful Count poster
9.0

I'm the Most Beautiful Count

Oct 11, 2025

Plus & Minus poster
6.9

Plus & Minus

Oct 11, 2025

The Sex Lives of College Girls poster
7.2

The Sex Lives of College Girls

Oct 11, 2025

Jewel in the Palace poster
8.5

Jewel in the Palace

Oct 11, 2025

Maria Mercedes poster
7.2

Maria Mercedes

Oct 11, 2025

Kill Me, Heal Me poster
8.1

Kill Me, Heal Me

Oct 11, 2025

My Demon poster
8.5

My Demon

Oct 11, 2025

Another Miss Oh poster
8.2

Another Miss Oh

Oct 11, 2025

The Legend of the Blue Sea poster
7.4

The Legend of the Blue Sea

Oct 11, 2025

Itaewon Class poster
8.4

Itaewon Class

Oct 11, 2025

My Girlfriend Is a Gumiho poster
7.2

My Girlfriend Is a Gumiho

Oct 11, 2025

Boys Over Flowers poster
8.3

Boys Over Flowers

Oct 11, 2025

Hijas de la luna... y la familia cambió poster
7.8

Hijas de la luna... y la familia cambió

Oct 11, 2025

Café con Aroma de Mujer poster
7.5

Café con Aroma de Mujer

Oct 11, 2025

Overcoming heartbreak poster
7.6

Overcoming heartbreak

Oct 11, 2025

It's Okay to Not Be Okay poster
8.5

It's Okay to Not Be Okay

Oct 11, 2025

Without Breasts There Is No Paradise poster
7.5

Without Breasts There Is No Paradise

Oct 11, 2025

Touch Your Heart poster
8.3

Touch Your Heart

Oct 11, 2025

Rebelde Way poster
8.0

Rebelde Way

Oct 11, 2025