PRINCE Harry has today been spotted in Japan – without Meghan Markle at his side.

The Duke of Sussex was seen making his way through crowds, while proudly sporting a Archewell cap.

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It comes just days after it was revealed the Prince and wife Meghan Markle had snapped up the rights to film a best-selling book in a Hollywood-or-bust move.

It will be their first off-camera-only venture for Netflix and marks a change in direction away from personal documentaries into fiction production.

Harry was today seen walking alongside Argentine polo player and friend Nacho Figueras.

The Prince is in the country to take part in ISPS Sports Values Summit-Special Edition in Tokyo tomorrow.

His appearance came after the US-based royal couple comes amid reports their star is waning in America after Spotify dropped them.

Experts estimate it may have cost up to £3million for the romantic novel Meet Me At The Lake by former journalist turned author Carley Fortune.

It is a “love story” about a couple who meet in their 30s with echoes of the Duke and Duchess’s real-life relationship.

The novel — which shifted a whopping 37,000 copies in the first week of its release in May alone — deals with themes including childhood trauma over losing a parent in a car crash, mental health and post-natal depression.

It also has “steamy sex scenes” and “drug use” and is set near Toronto in Canada — where Meghan lived when she started dating Harry.

Buying the rights to the book is the first major deal the couple have scored since losing their £16million Spotify contract.

It is also the first time Archewell Productions has paid to turn a novel into a fictional drama as part of their Netflix deal reported to be £80million.

We revealed in May they will stop making royal-bashing shows for the streamer because there is “nothing left to say”.

But the new production has stalled because screenwriters in Hollywood have been on strike for more than three months.

An insider said: “The themes of the book gripped the couple and it was chosen for their first adaptation with Netflix.”