The Ring and The Grudge ghosts Sadako and Kayako open a Japanese baseball game in bizarre stunt

The moment heralds the country's arrival of new mashup Sadako vs Kayako

There's a tie-in sequel to Japanese horror films Ringu and Ju-On: The Grudge that will pit each of the film's ghosts against each other.

Titled Sadako vs Kayako, promotion for the upcoming tentpole has kicked into gear and their first stop was a baseball game in Japan alongside ghost child Toshio (who tormented Sarah Michelle Gellar in the 2005 version of

The Hokkaido Nippon-Ham Fighters were facing Yakult Swallows when the two characters showed up to face off on the baseball field. Bizarrely, the character of Sadako is actually something of a baseball regular having appeared at past baseball games in 2012 and 2013.

We're sure the kids in the crowd were in no way terrified...

The film is based on a fan-made mash-up video of the two that went viral which set tongues wagging over at studios Kadokawa and the Japanese strand of NBC Universal.

Sadako vs Kayako will be released in Japan on 18 June so expect it to land in the UK by year's end.