The dynamic between Holmes and Akihito is joyfully magnetic since they have friction between them, so it becomes that much satisfying that they find even ground, especially since Holmes have bias against him. Not to mention, those unfamiliar with Kyoto gets to know a bit more of the tourist spot and culture. But most importantly, we get to dive into Holmes' character a bit more that give better picture of how he views things. However, the deductive reasoning is a bit contrived and ridiculous, while there's barely anything to investigate that Holmes hasn't already figured in a glance.