Following a mysterious gacha pull, an unlucky soul is reborn into a fantastical world as the young Ein Roundheart. He possesses a skill that allows him to break down poisonous substances—which is nowhere near as cool as his little brother’s flashy combat skill! Ein does his best, but even so, his father and stepmother bypass him to proclaim their youngest son the heir to the household. And things only get more complicated from there. On the heels of a fateful encounter with a young girl named Krone, Ein and his mother are shunned by the family and decide to take refuge in her home kingdom...where Ein is suddenly declared the crown prince! This marks the beginning of a whole new life for Ein, and he’s out to prove that he’s worthy of the crown.
Following a mysterious gacha pull, an unlucky soul is reborn into a fantastical world as the young Ein Roundheart. He possesses a skill that allows him to break down poisonous substances—which is nowhere near as cool as his little brother’s flashy combat skill! Ein does his best, but even so, his father and stepmother bypass him to proclaim their youngest son the heir to the household. And things only get more complicated from there. On the heels of a fateful encounter with a young girl named Krone, Ein and his mother are shunned by the family and decide to take refuge in her home kingdom...where Ein is suddenly declared the crown prince! This marks the beginning of a whole new life for Ein, and he’s out to prove that he’s worthy of the crown.
Ein begins a new chapter of his life at the academy, where he’s forging friendships and honing his swordsmanship. Krone, too, is doing her best to become the crown prince’s ideal partner. But academy life isn’t all studies and school-day shenanigans! Ishtarica is soon besieged by malicious schemes and the terrifying Sea Dragon. Against everyone’s wishes, Ein decides to face the legendary beast head-on! With his new life and homeland in jeopardy, the boy-turned-prince is willing to put it all on the line!
While serving as the king’s proxy in Euro, Ein unexpectedly crosses paths with Glint and discovers that Heim’s third prince has been desperately searching for Krone! Then after a startling incident devastates the Ishtarican royal family, Ein must face the true nature of his power. With his loyal allies alongside him, Ein ventures to Magic City Ist for answers, but soon learns that all is not well within the city’s streets; a rash of kidnapped orphans has Ist’s citizens cowering in fear. The prince starts working with chief researcher Professor Oz in exchange for information in hopes of finding the culprit. Can Ein solve the case behind the kidnappings? And will he discover that there may be more to Professor Oz than first impressions imply?