Oya ni Naisho no Iedex 6 - Dekichatta Hen

A high school girl runs away from her home and secretly moves in with her boyfriend. They hide their relationship from their families, spending their days together in a small apartment. As they grow closer, their intimate encounters become more frequent and passionate, exploring their desires without anyone knowing. The thrill of their secret life adds excitement to their bond, but it also brings unexpected consequences. Soon, she discovers she is pregnant, forcing them to confront the reality of their situation. The news shakes their world, and they must decide how to handle the pregnancy while keeping their secret intact. With no one to turn to, the young couple faces difficult choices about their future, their relationship, and the life growing between them.