You might be able to. However, be cautious as not all.co.jp sites are trustworthy. Also, consider factors like availability, price, and customer support before placing an order.
The need for JP locale in visual novels mainly stems from the fact that they frequently draw on Japanese language-specific elements like honorifics and cultural nuances. Also, some games might have exclusive content or better optimization in the JP version.
I'm not sure specifically which 'nemo sad story' you're referring to. It could be about a fish named Nemo having some sort of misfortune like getting lost, separated from his family, or facing danger in the ocean.
Finding Nemo is purely fictional. The characters and their adventures are made up to entertain and charm audiences, rather than being drawn from real-life events.
The story begins when Nemo is taken away from the ocean. Marlin, overcome with fear and worry, sets out on a dangerous adventure to rescue him. Along the way, he meets various characters and faces numerous challenges.