Kashiwada-san's face is a masterpiece of stoicism. Her classmate Oota-kun? A walking explosion of emotions determined to crack her calm with over-the-top antics. (Spoiler: It's not working.) But between his failed surprises and her secret smiles, these polar-opposite classmates might just be into each other! Witness a rom-com where love speaks louder than expressions.

Hikaru’s ordinary middle school life takes a thrilling turn when he encounters Alma, an alien entity resembling a mechanized limb called Mecha-Ude. Alma, a member of a rare species, is fleeing from a sinister group hunting their kind down in search of one possessing unparalleled power. Tasked by the resistance group ARMS, this unlikely duo will embark on a perilous journey to save the Mecha-Ude.