After the defeat of the demon lord Hadlar all of the monsters were unleashed from his evil will and moved to the island of Delmurin to live in peace. Dai is the only human living on the island. Having been raised by the kindly monster Brass, Dai's dream is to grow up to be a hero. He gets to become one when Hadlar is resurrected and the previous hero, Avan, comes to train Dai to help in the battle. But Hadlar, announcing that he now works for an even more powerful demon lord, comes to kill Avan. To save his students Avan uses a Self-Sacrifice spell to attack, but is unable to defeat Hadlar. When it seems that Dai and Avan's other student Pop are doomed a mark appears on Dai's forehead and he suddenly gains super powers and is able to fend off Hadlar. The two students then go off on a journey to avenge Avan and bring peace back to the world.
Ore wa Chiisana Yuusha Dai!!
Shinasete tamaru ka Leona Hime
Feel anger Dai! Shine Dragon's Emblem!!
Yuusha no Kateikyoushi Aban Toujou
Aban Ryuu Yuusha no Chou Tokkusen!!
Mahou Hudler Shutsugen! Kimeru Hissatsu Waza Uminami Kiri!!
Sotsugyou no Akashi wa Karimen, Kessen!! Hudler tai Aban
Aban Jiko Gisei Jumon ni Chiru!? Ute, Saikou Waza!!
Saraba Delmurin Shima! Daibouken he no Tabidachi!!
Samayoeru Ma no Mori! Kedamono Ou Crocodine Toujou
Unaru Shinkuu no Ono! Mukae Geki te Aban Ryuu Katanasatsubou
Warera ga Shi Aban, Madan Gun ni Nokosareta Omoide
Youma Shikyou Zaboela no Wana A!? Nise Yuusha Goichigyousama
Hyakujuu Madan Soushingeki!! Romos Oukoku Kiki wo Sugue!
Naze? Dai wo Osou Brass!! Hiretsu nari Youma Shikyou
Furui Okose Pop! Hitokakera no Yuuki wo!!
Kiseki wo Yobu Haja Jumon!! Yuujou yoi Makoko ni...
Ikari no Monshou ga Chokugeki!! Hoeru Kedamono Ou Crocodine
Umi wo Watare Dai! Maou Ikusa 6 Daigun Danchou Shuugetsu!!
Osorubeki Teki Arawaru!? Ma Ken Senshi Hyunkel!
Chichi no Kataki wa Aban!? Nikushimi no Kuroki Saikyou Ken!!
Ankoku Touki! "Tou Ma Kairai Tanagokoro" ga Dai wo Osou!!
Mam no Kiki! Chikara wo Awasete Inazuma Yoge!!
Mam wo Sukue! Chitei Ma Shiro Sennyuu Shi no Dungeon!!
Omoide wo... Arigatou... Shinjitsu no Chichi no Koe!!
Saraba Kodoku no Senshi Hyunkel!! Kecchaku no Mahouken
Sora kara Kita Mikata!! Dai yo Kyuuge Leona no Moto he
Leona wa Ore ga Mamoru! Taiketsu!! Yuusha tai Hien Shogun
Hien Kekkai!! Aa! Leona ga Kooreru Bijou ni...
Aban no Tomo!? Dai Ma Michi Shi Matolif no Dai Tokkun!!
Leona Kyuushutsusakusen no Hajimari da! Baruji Shima Jyouriku!!
Shukuteki Hudler!! Pop yo Yuuki de Tachimukae!!
Senshi wa Fukkatsushita!! Gekitou Hyunkel tai Hudler
Inochi no Kagayaki! Saishuu Touki Grand Cross!!
Fureizaudo Shouri e no Shounen! Arashi no Dangan Bakkasan
Deta! Aban Ryuu Saigo no Okugi Soraretsukiri
Aban Sutorasshu!! Ima... Subete o Kiru...
Aban no Shito no Michi... Soshite, Mam no Hetsui
Subarashiki Nakama Mam yo, Mata au Hi made...
Bengaana he Kaimono da!! Depaato he Ikou!
Chou Ryuu Gundan Jyouriku! Bengaana no Machi wo Mamore!!
Shinpi no Kuni Teran Oukoku... Densetsu ni Nemuru Dragon no Kishi!
Ryuuki Shou Baran wa Kataru... Dragon no Kishi no Shimei!
Oyako no Kizuna wa Kanashiki Sadame! Chichi to Ko no Tatakai!!
Saikyuu no Himitsu wa Dragonicoora!? Oretachi no Dai wo Mamore!
Dai yo Tachi Uegare! Yuusha no Michi wa Eien ni!
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