The Tokyo Olympic and Paralympic Games are just five years away - and ahead of the event Tokyo is making plans to turn itself into a truly global city. Standing in the way of Tokyo's aim is the challenge posed by the English language. Many people are eager to learn English, and both the public and private sectors are offering English study programs. But the reality is harsh.

Business people tend to be seen as a conservative lot, politically and socially. But they aren't always. In Japan, some managers are throwing their support behind a minority group that's long's been in the shadows. They're known as LGBTs: L stands for lesbian, G for gay, B for bisexual, and T for transgender. A recent survey suggests one in 14 people belong to this group. They've long been marginalized, but that may be starting to change. In March, Tokyo's Shibuya Ward decided to recognize same-sex partnerships.

We look at sexual diversity and big business; They're coming together, and NHK World's Nahoko Yamada explains why.