It caught my attention because of Ran and Shinichi. I want to see the ending where Conan will go back to being Shinichi and confess everything to Ran. I love to see a romantic ending there that's why I watch DC. That's my reason before. That's still one of my reasons now, but I'm not that shallow anymore. I loved the storyline! I enjoy watching Conan solve mysteries so easily while I myself don't have the littlest clue about it. I enjoy hearing his deductions. And I love every sentimental moments there is like when for example in Kogorou's Reunion Murder Case, it's quite saddening to know that his friend was killed by his other bestfriend and tells he can never understand what drives people to kill. There are lots actually. And I also love RanxShinihi moments. I love how he's very sweet to her, he really cares for her. And the story has many lessons to offer, like the value of many things in life that seem unimportant, and the value of people around us. Since it's my favorite anime, I really feel good whenever I watch this. Sorry, I'm not good in explaining things but I really love Detective Conan from the bottom of my heart. So fans, what are your reasons?? :))