"I've... only ever been interested in 2D until now. Please teach me about real-life relationships," confessed Ayu, a quiet, plain girl with glasses, honestly telling her new boyfriend about her past feelings and what she wants from now on. Hearing this, he replied, "Then you've never seen this before," and thrust his penis right in front of her eyes. Surprised yet deeply curious, Ayu reached out her hand toward it and began to caress him. Her pure, innocent emotions mark the first step into a brand-new experience.