"High Kick without Hesitation", "Unstoppable High Kick", or "Smooth High Kick" was a popular South Korean situation comedy revolving around the life of the [[BadassFamily Lee family]], taking place in Seoul. The main characters are Lee Yoon Ho, a {{Delinquent}} BadassBiker known for his [[TitleDrop high kick]] and Lee Min Ho, who [[TheSmartGuy enjoys spending time on scale models and blogs]], are brothers born a year apart but attending the same class at school. These two portray [[SiblingYinYang completely opposite]] Korean teenage characters in a comical way.

And of course, there’s the rest of the family, including:
* Their father, [[GentleGiant Jung Joon Ha]], a full-time stock investor since being laid off from work, nevertheless optimistic and reckless;
* Their mother, [[TheWomanWearingTheQueenlyMask Park Hae Mi]], a doctor specializing in Oriental medicine and [[SmugSuper always overly confident]];
* Their grandfather [[TheNeidermeyer Lee Soon Jae]], who loves money more than anything else in the world,
* Their grandmother [[NeverMessWithGranny Na Moon Hee]], who is always defeated by her daughter-in-law in ongoing status quarrels.
* Their uncle, [[TallDarkAndSnarky Lee Min Yong]], is a 27-year-old single dad. After going through a premature marriage and early divorce, he enjoys his life back in the dating scene with his half-single and half-married status, while continuing to encounter emotionally-involved moments with his ex-wife, Shin Ji, at times.

''High Kick!'' is a situation comedy, which portrays the everyday lives of the main characters colliding with each other in a comical way. However, at a certain point, the surprising mysteries of their seemingly normal surrounding characters begin to unravel one by one.

The English title of the show, "High Kick!", has several implications, one of which is the aforementioned oft-depicted high kicks of Yoon-ho.
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!!''Unstoppable High Kick'' provides examples of:

* AmbiguouslyGay: Kim Bum and Min Ho are either this or Ambiguously Bi.
* AmicablyDivorced: Min Young and Shin Ji.
* BadassFamily
* ButtMonkey: Everyone fills the role in different parts of the story.
* CerebusSyndrome: The last five episodes are less comedic and more dramatic.
* CharacterDevelopment: Most notably with the brothers. For instance, Yoon Ho starts as a JerkAss ScrewySquirrel to a bonefide JerkWithAHeartOfGold by the end of the story.
* TheDanza: Most characters use their actor's/actress' real name (sans surnames) with three exceptions: Lee Min Ho (played by Kim Hye-sung), Lee Yoon Ho (played by Jung Il Woo) and Kang Yoo Mi (played by Park Min-young).
* DawsonCasting: Slightly subverted that the teens are being portrayed by actors/actreses who are in their late teens excpet for the 16 year old Hae Mi. Played straight by Yoo Mi though. [[spoiler:In universe speaking.]]
* DeadpanSnarker: Min Young, oh so much.
* {{Deconstruction}}: Done in a humorous way though.
* DoggedNiceGuy: Kim Bum to Yoo Mi, Detective Lee to Shin Ji, Nurse Park to Nurse Yoo, [[JerkWithAHeartOfGold Yoon Ho]] to Min Jong, who herself is a gender-flip of this trope to Min Yong prior on hooking up with him.
* DubNameChange
* MrFanservice: Yoon Ho and Kim Bum notably.
* EvenTheGuysWantHim: Kim Bum. Lampshaded and toyed near the end of the series.
* FakeAmerican: One episode features an American family. It is unknown what nationality the actors were and they were trying their hardest to sound American but it only resulted in a very odd dialect.
* FiveManBand: The Lee males, complete with designated numbers.
** TheHero and TeamDad: Soon Jae (1)
** [[TheLancer The Lancers]]: Joon Ha (2) and Min Yong (3)
** [[TheSmartGuy The Smart Guys]]: Min Yong (3) and Min Ho (4)
** [[TheBigGuy The Big Guys]]: Joon Na (2) and Yoon Ho (5)
** SixthRanger: Kim Bum (6)
* FoeYay: Min Yong and ''his'' sister-in-law Hye Mi.
* GenerationXerox: Joon Ha and his son Yoon Ho both LikesOlderWomen. Hae Mi is actually two years older than him, while Yoon Hi is HotForTeacher Min Jong. [[spoiler:And apparently, Min Ho as well, as Yoo Mi is actually three years older than him. {{Like Father Like Son}}s indeed.]]
** Kim Bum and his mother both have NoSenseOfPersonalSpace.
* GentleGiant: Joon Na.
* TheGloriousWarOfSisterlyRivalry : Gender-flipped with Yoon Ho and Min Ho.
* GratuitousEnglish: A RunningGag in the series.
* HelloNurse: The Nurse Yoo. [[spoiler:Her LastEpisodeNewCharacter replacement (also TD&B) deserves to be mentioned.]]
* HilarityEnsues: Too many instances to list.
* HotForTeacher: Yoon Ho and Seung Hyun to their HotTeacher Min Jong.
* HotTeacher: The very {{Moe}} Min Jong. Min Yong subverts this as he's more of a TallDarkAndSnarky SternTeacher.
* HoYay: Min Ho and Kim Bum, UpToEleven. Lampshaded many, many times during the show.
* TheKlutz: Min Jong usually falls when she walks.
* LikesOlderWomen: Chan Sung likes Nurse Yoo. For the members of the Lee family, see GenerationXerox below.
* LoadsAndLoadsOfCharacters: This show might need its own Character Sheet...
* LoveDodecahedron
* LoveHurts
* LoveTriangle: [[LoadsAndLoadsOfCharacters Take your pic...]]
* ManicPixieDreamGirl: Hye Mi to Yoon Ho. The latter is annoyed like hell because of this.
* NobleWomansLaugh: Hae Mi most of the time.
* NoSenseOfPersonalSpace: Hae Mi always infiltrate Min Yong's personal life, much to her delightment and the latter's annoyment. Kim Bum and his mother also qualifies.
* ObfuscatingStupidity: [[spoiler:Yoo Mi is not really that dumb as she appears to be. The reason she does this is because her father's a North Korean DoubleAgent who became a ReverseMole of sorts and hides from his former team.]]
* OrdinaryHighSchoolStudent
* PluckyGirl: Every major female cast.
* RunningGag: Min Jong being TheKlutz, Joon Na being jobless, Kim Bum for having NoSenseOfPersonalSpace and his {{Ho Yay}}ish interactions with Min Ho, Soon Jae for his being TheNeidermeyer, etc.
* SenseiChan: Min Jong, oh so much.
* SensitiveGuyAndManlyMan: The brothers most notably.
* ShipSinking: [[spoiler:Min Joung and Min Yong via the former's IWantMyBelovedToBeHappy reason. And according to Kim Bum, Min Yong and Shin Ji never really got back together.]]
** [[spoiler:Yoo Mi and Min Ho are forced to break up because Yoo Mi was forced into hiding after her ParentalAbandonment.]]
** [[spoiler:Yoon Ho rejected [[ManicPixieDreamGirl Hye Mi]], while the whole school listens.]]
** Yoon Ho is [[LoveHurts heartbroken]] after Mon Yong and Min Jong hooks up. [[spoiler:Then again, the ending implies a LastMinuteHookUp between the two.]]
* SternTeacher: Min Yong, thus earning the [[RedBaron monicker]] "Mad Dog".
* TallDarkAndHandsome: Yoon Ho and Kim Bum.
* TallDarkAndSnarky: Min Yong, oh so much. Occasionally, Yoon Ho.
* ThoseTwoGuys: Nurse Park and Nurse Yoo. Kim Bum and Chan Sung might be this to Min Ho and Yoon Ho respectively.
** Seung Hyun and Hwang Chan Sung, before the latter's HeelFaceTurn and the former being DemotedToExtra.
* TomboyAndGirlyGirl: Shin Ji and Min Jong are an adult version of this trope.
* TwoGuysAndAGirl: Min Ho, Kim Bum and Yoo Mi fits the dynamic.
* VitriolicBestBuds: Yoon Ho to Chan Sung and Kim Bum, Yoo Mi and Hye Mi.
* WackyHomeroom: Min Jong's class.
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