Gosho Aoyama's Collection of Short Stories

Tokyo is a bustling metropolis, and with so many citizens there's always an incredible story to be told, from time travel and secret government weapons to romantic meetings. Takai Yutaka is a child genius, but while everyone else marvels at how intelligent he is for one so young, he hates being singled out because of his age and has a plan to change it all forever. Meanwhile, after accidentally swapping cards with a government official, teenager Keisuke Hara inadvertently places the entire planet in danger of annihilation and only his lost memories can stop the countdown to destruction. Then, while being chased by mysterious men in suits, a young woman finds herself at the Kirishima detective agency, home to a brilliant but tiny private eye...