HomeCatalogKoutarou Breakthrough!All chaptersManga·Completed·1982·16+Koutarou Breakthrough!0 viewsOverviewChapters (131)SimilarNewest first131Mayumi's Clever FightPuui· Oct 22, 2026Oct 22, 2026130Kyokutan-ryu Totally IsolatedPuui· Oct 22, 2026Oct 22, 2026129Hiring a Teacher AdvisorPuui· Oct 22, 2026Oct 22, 2026128Start of The Try-outsPuui· Oct 22, 2026Oct 22, 2026127Mayumi JoinsPuui· Oct 22, 2026Oct 22, 2026126The Sudden Marriage ProposalPuui· Oct 22, 2026Oct 22, 2026125Recruitment Success or FailurePuui· Oct 22, 2026Oct 22, 2026124Shikato-jiji's Real IntentionsPuui· Oct 22, 2026Oct 22, 2026123Trouble at OuendanPuui· Oct 22, 2026Oct 22, 2026122The Secret Evil OrganisationPuui· Oct 22, 2026Oct 22, 2026121Here Comes the "Chest"Puui· Oct 22, 2026Oct 22, 2026120New Enemy! Jason Appears!Puui· Oct 22, 2026Oct 22, 2026119Kotaro RecruitsPuui· Oct 22, 2026Oct 22, 2026118Shindo Kotaro's DeterminationPuui· Oct 22, 2026Oct 22, 2026117Tenzen's TearsPuui· Oct 22, 2026Oct 22, 2026116Awesome Reunion!Puui· Oct 22, 2026Oct 22, 2026115The Missing Ouendan Danki?Puui· Oct 22, 2026Oct 22, 2026114Kotaro's Fight BeginsPuui· Oct 22, 2026Oct 22, 2026113The Strange Quendan DankiPuui· Oct 22, 2026Oct 22, 2026112Kotaro's Night of CarelessnessPuui· Oct 22, 2026Oct 22, 2026111Quendan Dancho, Tenzen Shikato ArrivesPuui· Oct 22, 2026Oct 22, 2026110Destruction for DestructionPuui· Oct 22, 2026Oct 22, 2026109The Amazing QuendanPuui· Oct 22, 2026Oct 22, 2026108A New Start! Rebuilding The DojoPuui· Oct 22, 2026Oct 22, 2026107Kotaro Makaritoru!Puui· Oct 22, 2026Oct 22, 2026106Farewell! D-BlockPuui· Oct 22, 2026Oct 22, 2026105Beni Bara's Not DeadPuui· Oct 22, 2026Oct 22, 2026104Sadoya vs. KotaroPuui· Oct 22, 2026Oct 22, 2026103Kotaro RevivesPuui· Oct 22, 2026Oct 22, 2026102Last ChancePuui· Oct 22, 2026Oct 22, 2026101Battle of The Two HeroesPuui· Oct 22, 2026Oct 22, 2026100The True Face of The CyclopsPuui· Oct 22, 2026Oct 22, 202699Their HostagesPuui· Oct 22, 2026Oct 22, 202698Everyone Fight!Puui· Oct 22, 2026Oct 22, 202697Assemble at The Central Storehouse!Puui· Oct 22, 2026Oct 22, 202696Saving Mayumi!Puui· Oct 22, 2026Oct 22, 202695Where is This Place? Who Am I?Puui· Oct 22, 2026Oct 22, 202694The Truth Behind 100 Million?Puui· Oct 22, 2026Oct 22, 202693Battle in The CavesPuui· Oct 22, 2026Oct 22, 202692Kenji vs. TenkoujiPuui· Oct 22, 2026Oct 22, 202691The Big Mountain Cat Revives?Puui· Oct 22, 2026Oct 22, 202690The Legacy of The JakotsukaiPuui· Oct 22, 2026Oct 22, 202689Great Battle with The Cyclops Gang...!Puui· Oct 22, 2026Oct 22, 202688Get Up! NisemonoPuui· Oct 22, 2026Oct 22, 202687The Shocking Finger ProjectilePuui· Oct 22, 2026Oct 22, 202686The Secret of D-BlockPuui· Oct 22, 2026Oct 22, 202685The Members of The China Rose GangPuui· Oct 22, 2026Oct 22, 202684Magumi-Chan's TearsPuui· Oct 22, 2026Oct 22, 202683No Escape From D-BlockPuui· Oct 22, 2026Oct 22, 202682Kotaro's RagePuui· Oct 22, 2026Oct 22, 202681Mayumi in Grave DangerPuui· Oct 22, 2026Oct 22, 202680The End of the BombersPuui· Oct 22, 2026Oct 22, 202679Kotaro vs. the BombersPuui· Oct 22, 2026Oct 22, 202678Kotaro, The Lady's EscortPuui· Oct 22, 2026Oct 22, 202677Where is the Mysterious GroupPuui· Oct 22, 2026Oct 22, 202676That Person's Real IdentityPuui· Oct 22, 2026Oct 22, 202675The Cyclops Gang ArrivesPuui· Oct 22, 2026Oct 22, 202674Dangerous GamePuui· Oct 22, 2026Oct 22, 202673Dangerous MayumiPuui· Oct 22, 2026Oct 22, 202672Proof of The Real DealPuui· Oct 22, 2026Oct 22, 202671The Imposter AppearsPuui· Oct 22, 2026Oct 22, 202670A Mystery DatePuui· Oct 22, 2026Oct 22, 202669The New IIncho ArrivesPuui· Oct 22, 2026Oct 22, 202668The Jakotsukai RevivesPuui· Oct 22, 2026Oct 22, 202667The Super Kid Shows His StuffPuui· Oct 22, 2026Oct 22, 202666Muua Kingdom's CoronationPuui· Oct 22, 2026Oct 22, 202665Kotaro Gets Hurt Before the CoronationPuui· Oct 22, 2026Oct 22, 202664Brawl with a GiantPuui· Oct 22, 2026Oct 22, 202663Kotaro's Fatel?Puui· Oct 22, 2026Oct 22, 202662Minister Hidora's PlotPuui· Oct 22, 2026Oct 22, 202661Princess Kurara in DangerPuui· Oct 22, 2026Oct 22, 202660Kyoshiro InvestigatesPuui· Oct 22, 2026Oct 22, 202659Plot UncoveredPuui· Oct 22, 2026Oct 22, 202658Princess Kurara Gets KidnappedPuui· Oct 22, 2026Oct 22, 202657Kotaro DisappearsPuui· Oct 22, 2026Oct 22, 202656Surprise and Touch EnemiesPuui· Oct 22, 2026Oct 22, 202655Riddle in HandPuui· Oct 22, 2026Oct 22, 202654Life and DeathPuui· Oct 22, 2026Oct 22, 202653Tenkouji Bleeds Too MuchPuui· Oct 22, 2026Oct 22, 202652Deadly Underwater BrawlPuui· Oct 22, 2026Oct 22, 202651Challenge with Real WeaponsPuui· Oct 22, 2026Oct 22, 202650Kotaro Arrested?Puui· Oct 22, 2026Oct 22, 202649Panty CommotionPuui· Oct 22, 2026Oct 22, 202648Fine Wine, Congratulations CelebrationsPuui· Oct 22, 2026Oct 22, 202647King of Fighting KotaroPuui· Oct 22, 2026Oct 22, 202646The Mayumi AffairPuui· Oct 22, 2026Oct 22, 202645The Preliminary ContestPuui· Oct 22, 2026Oct 22, 202644Night Attack SuccesfulPuui· Oct 22, 2026Oct 22, 202643Infiltrating the HotelPuui· Oct 22, 2026Oct 22, 202642Pathertic Night AttackPuui· Oct 22, 2026Oct 22, 202641Extra Karate TrainingPuui· Oct 22, 2026Oct 22, 202640Kurara Joins the ClubPuui· Oct 22, 2026Oct 22, 202639Kotaro the KnightPuui· Oct 22, 2026Oct 22, 202638Kurara Falls for KotaroPuui· Oct 22, 2026Oct 22, 202637The Naive PrincessPuui· Oct 22, 2026Oct 22, 202636Special Karate TrainingPuui· Oct 22, 2026Oct 22, 202635Fate of the HostagePuui· Oct 22, 2026Oct 22, 202634Princess Kurara's ArrivalPuui· Oct 22, 2026Oct 22, 202633Jumping into the SkiesPuui· Oct 22, 2026Oct 22, 202632Escaping The FirePuui· Oct 22, 2026Oct 22, 202631A Loves' Suicide with KotaroPuui· Oct 22, 2026Oct 22, 202630The Secret of Beni BaraPuui· Oct 22, 2026Oct 22, 202629Battle of The Clock TowerPuui· Oct 22, 2026Oct 22, 202628No One Can Give Me OrdersPuui· Oct 22, 2026Oct 22, 202627Truth Behind The MaskPuui· Oct 22, 2026Oct 22, 202626To Mayumi's RescuePuui· Oct 22, 2026Oct 22, 202625Mayumi is BaitPuui· Oct 22, 2026Oct 22, 202624The Explosive C ExperiencePuui· Oct 22, 2026Oct 22, 202623Not Going Home Till DrunkPuui· Oct 22, 2026Oct 22, 202622Kotaro's Staff Fighting ProwessPuui· Oct 22, 2026Oct 22, 202621Stopping A FightPuui· Oct 22, 2026Oct 22, 202620Mayumi's NernousnessPuui· Oct 22, 2026Oct 22, 202619Sadoya Makes His MovePuui· Oct 22, 2026Oct 22, 202618Tenkouji's ImpatiencePuui· Oct 22, 2026Oct 22, 202617Who's No. 1?Puui· Oct 22, 2026Oct 22, 202616Sadoya AppearsPuui· Oct 22, 2026Oct 22, 202615The Amazing Fighting ExpertPuui· Oct 22, 2026Oct 22, 202614Kotaro's VictoryPuui· Oct 22, 2026Oct 22, 202613Tenkouji's InterferencePuui· Oct 22, 2026Oct 22, 202612Kotaro in DangerPuui· Oct 22, 2026Oct 22, 202611Kotaro's Special PerformancePuui· Oct 22, 2026Oct 22, 202610Kotaro's Life in The Hands of The Judo Club?Puui· Oct 22, 2026Oct 22, 20269Terror! The Judo ClubPuui· Oct 22, 2026Oct 22, 20268Kotaro as Bait?Puui· Oct 22, 2026Oct 22, 20267Leave it All to KotaroPuui· Oct 22, 2026Oct 22, 20266Mayumi in DangerPuui· Oct 22, 2026Oct 22, 20265Kotaro on StagePuui· Oct 22, 2026Oct 22, 20264An Exciting Battle!Puui· Oct 22, 2026Oct 22, 20263Tenkouji ArrivesPuui· Oct 22, 2026Oct 22, 20262Spring. Long Hair. One MillionPuui· Oct 22, 2026Oct 22, 20261The School Menace AppearsPuui· Oct 22, 2026Oct 22, 2026Start readingRating—/10No ratings yetRate (log in first)Similar titlesRecommendManhwa 2010The Breaker 200Manga 2002Air Gear Unlimited00Manga 1995Jinnai Style Jiujitsu Martial Arts Legend Majima Goes All Out!!00Manga 2021Dandadan40Manga 1997GTO: Great Teacher Onizuka20Manga 2024The Only Thing I Must Do in an All-Girls Game World: I Got Reincarnated as the Guy Stuck Between Yuri Couples10See all similarPopular in ActionSee allMangaHotCompleted1999 · 30 viewsNARUTOStatus: Completed, hotManhuaHotOngoing2025 · 10 viewsReborn With The Beast WithinStatus: Ongoing, hotMangaHotOngoing2022 · 12 viewsThe Laid-Off Cheat-Granting Mage Enjoys a Second Lease on LifeStatus: Ongoing, hotMangaHotUpdOngoing2006 · 16 viewsKingdomStatus: Ongoing, updated, hotMangaHotOngoing2022 · 6 viewsThe Exiled Heavy Knight Knows How to Game the SystemStatus: Ongoing, hotManhuaHotOngoing2023 · 3 viewsCelestial MasterStatus: Ongoing, hotMangaHotCompleted2010 · 7 viewsAkame Kills!Status: Completed, hotManhuaHotCompleted2020 · 7 viewsThe Shifted TimelineStatus: Completed, hotMangaHotOngoing2018 · 13 viewsBlue LockStatus: Ongoing, hotManhuaHotHiatus2019 · 9 viewsWay To Be The Evil EmperorStatus: Hiatus, hotMangaHotCompleted1997 · 2 viewsGTO: Great Teacher OnizukaStatus: Completed, hotManhuaHotOngoing2022 · 7 viewsStarting Over as a TreeStatus: Ongoing, hot