Conan had always been a genius detective, even in his small body. But now, he had finally done it; he had created an antidote to transform him back to his high school self permanently.

However, when he took the antidote, he didn't transform back into a high school boy as expected. Instead, he became a high school girl.

The transformation was a shock. Conan now had to deal with female issues, a reality he had never anticipated.

At school, he was still the smart detective that everyone admired. However, he was now a 'she', and this secret was something he had to keep from everyone, especially his childhood friend, Ran.

Ran, who was always caring and protective towards Conan, noticed the changes. Her friend was now more feminine, which confused and intrigued her.

One day, Ran confronted Conan, demanding an explanation. After a long pause, Conan revealed her secret. She was no longer the boy Ran once knew.

Ran was shocked initially but came to terms with the truth. She loved Conan, the person, irrespective of the gender. She kissed her, accepting her fully.

The two girls became even closer. Ran helped Conan navigate the challenges of her new life, including her first period.

Conan was grateful for Ran's support. She felt relieved and loved. This was a new chapter in their friendship, one filled with deeper emotions and understanding.

As the years passed, their bond only grew stronger. They graduated high school together, with Ran always by Conan's side.

After high school, Conan proposed to Ran. She was surprised but said yes without hesitation. They were in love and wanted to spend the rest of their lives together.

The wedding was a beautiful celebration of their love and friendship. They had overcome so many challenges together, and this was the beginning of their new journey.

As a married couple, they continued to support each other. Conan, despite the unexpected transformation, found happiness and acceptance in her new life with Ran.

Their love story was extraordinary, but it was theirs. They loved and accepted each other for who they were, and that was what mattered the most.

The two of them lived happily, cherishing their unique bond. Conan's secret transformation had brought them closer, paving the way for a love story that defied norms.