Akira discovers Tengoku, a metaverse where AI drives ultra-realistic virtual humans, offering unprecedented interaction. He customizes his companion, Emi, for personal connection, using her for daily assistance via AR.

As he explores, Akira joins a community, engaging in events and educational sessions. Emi's influence extends to real-world applications, aiding in job interviews and mental health. Ethical concerns arise, leading to community guidelines on AI interaction.

Akira contributes to Tengoku's evolution, blending virtual with real-world benefits, focusing on education and therapy. Years later, he reflects on how technology and humanity coexist, with Tengoku continually shaping a new reality.