Meitantei Conan: Conan to Heiji to Kieta Shonen

A successful detective gets injected with a virus which makes him a ten year old boy. But as his brain and mind are similar as before he helps his girlfriend's father (an unsuccessful detect... Read allA successful detective gets injected with a virus which makes him a ten year old boy. But as his brain and mind are similar as before he helps his girlfriend's father (an unsuccessful detective) to solve cases without getting known to anyone.A successful detective gets injected with a virus which makes him a ten year old boy. But as his brain and mind are similar as before he helps his girlfriend's father (an unsuccessful detective) to solve cases without getting known to anyone.