After reincarnating into an alternate Japan with a lack of magic and mythical beings, Kouki's childhood doodles spark a groundbreaking theory by his mother, propelling him into a whirlwind of misconceptions. Mistaken as the mastermind behind innovative technologies, Kouki trades his tranquil school routine for the bustling International Science and Technology Academy. Amidst brilliant peers like Canadian beauty Alice Alford, robotics expert Shingo Saitou, and space aficionado Megumi Aikawa, Kouki grapples with his false reputation. Each application of his past-life recollections triggers fresh errors, transforming his mundane existence into a wild sci-fi comedy of misunderstandings.