Beelzebub (べるぜバブ Beruzebabu) ialah sebuah manga Jepang yang ditulis dan ilustrasi oleh Ryūhei Tamura dan telah diserialkan di majalah Weekly Shōnen Jump. Beelzebub mula-mula diterbitkan sebagai komik one-shot di Weekly Shōnen Jump tahun 2008, ia telah memenangi Gold Future Cup kali ke-4, kemudian ia dserialkan di majalah yang sama pada 2009. Sebuah OVA diterbitkan oleh Pierrot+ ditunjukkan semasa Jump Super Anime Tour pada Oktober 2010, diikuti serial anime yang mula ditayangkan di Jepun pada 9 Januari, 2011
Plot : Cerita ini mengisahkan tentang para pelajar berandalan yang kuat, Oga Tatsumi yang merupakan murid kelas satu di Ishiyama High, sebuah sekolah berandalan. Kisah ini bermula saat dia menceritakan tentang bayi tersebut kepada kawan baiknya, Furuichi Takayuki. Suatu hari, Tatsumi terjumpa seorang lelaki yang terapung di sungai, dia menarik lelaki tersebut ke darat dan lelaki tersebut terbelah dua bersama seorang bayi lelaki di dalamnya. Bayi tersebut ialah anak 'Demon King' dan Tatsumi telah dipilih untuk menjaga bayi tersebut bersama penjaga bayi tersebut, Hilda. Cerita berikutnya mengisahkan hidupnya bersama bayi di sekolah berandalan. Pada awal cerita, Oga mencoba untuk memberi Beel kepada pelajar sekolah Ishiyama. Teorinya, jika dia berjumpa dengan orang yang lebih kuat dan jahat dari dia, Beel akan tertarik kepada orang tersebut. Akhirnya, dia menemui Touhoushinki (Empat orang yang terkuat di Ishiyama).
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Episode 1: I Picked Up the Demon King"
Episode 2: "I Became a Gang Leader with a Child"
Episode 3: "Are There Any Strong Evil Rascals Here?"
Episode 4: "There's 1 Second Before the Demon King's Peeing Bursts"
Episode 5: "There's Nothing Money Can't Buy"
Episode 6: "We Played Doctor"
Episode 7: "The Demon King Even Makes a Park Debut"
Episode 8: "We Met Again"
Episode 9: "Love is a Hurricane"
Episode 10: "The Disciple is Ready"
Episode 11: "There Were Things Money Can't Buy"
Episode 12: "I Won't Let You Sleep Tonight"
Episode 13: "Baby Beel: The Assessment Test"
Episode 14: "Is There a Special Move?"
Episode 15: "The Delinquents Have Changed into Swimsuits"
Episode 16: "You're Not a Man at All, Eh"
Episode 17: "What Do You Think of Demon World Homework?"
Episode 18: "I Stopped Being a Gang Leader with a Child"
Episode 19: "The Doctor Came"
Episode 20: "Everyone Gathering"
Episode 21: "Who Do You Think is Ishiyama's Strongest?"
Episode 22: "The Mountainous Seclusion"
Episode 23: "Honmakai"
Episode 24: "Tadaimakai"
Episode 25: "The New School Term Has Started"
Episode 26: "May I Call You Aniki"
Episode 27: "Called a Magical Girl"
Episode 28: "Let's Try Doing Body Measurements"
Episode 29: "What's the Rokkisei?"
Episode 30: "Who Could the Rokkisei Be?"
Episode 31: "No Conclusion Was Reached"
Episode 32: "What Happened Because of the Transfer Girl?"
Episode 33: "There Were Scars from the Past"
Episode 34: "Maids Completely Rustling"
Episode 35: "The Time to Start the Match"
Episode 36: "The Match Finally Starts"
Episode 37: "That Man Was a Sensei"
Episode 38: "The Sibling Rivalry Has Begun"
Episode 39: "The Older Brother Was a Crybaby"
Episode 40: "The Assassins Aren't Guests"
Episode 41: "What to Do in This Desperate Situation?"
Episode 42: "It's Time to Train"
Episode 43: "Where Did the Older Brother Disappear To?"
Episode 44: "I Have to Get Stronger"
Episode 45: "There's One Day and 1 Hour Left Until the Game"
Episode 46: "Burn, Super Combination!"
Episode 47: "Sorry to Have Kept You Waiting"
Episode 48: "I'm His Parent"
Episode 49: "Beelzebub New Year's Special! BeelBeel Saiyūki"
Episode 50: "Today I'm Different on the Inside"
Episode 51: "Komainu-sama is Watching"
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