E→Robot

Yuuki harbors deep romantic feelings for Shirahama, yet he finds himself entirely incapable of expressing them. Despite his overwhelming desire to confess his love, his courage consistently fails him at the critical moment. Every attempt to reveal his true emotions ends in hesitation and retreat, leaving him trapped in a frustrating cycle of unspoken affection. His ordinary struggles take an extraordinary turn when he unexpectedly encounters Ai Roborovskii, a stunningly beautiful android unlike anything he has ever seen. She is introduced as Earth's first Erotic Robot, but her provocative design serves a far greater purpose than mere aesthetics. Her alluring attributes are deeply integrated into her core programming and functionality. Ai was specifically engineered with a monumental mission: to protect humanity using her unique capabilities. Her remarkable erotic powers are not simply for display; they represent an unprecedented technological advancement designed to save the world from impending threats. As Yuuki becomes entangled with this extraordinary machine, his previously mundane life is irrevocably transformed, setting the stage for a narrative where personal longing intersects with global salvation.