It's an open secret that Arashi idol group Jun Matsumoto is dating actress Mao Inoue, though their respective agencies prevent them from getting married. But that's not all. Matsumoto is also alleged to have had an affair for several years with someone else -- none other than porn star Tsukasa Aoi. The scandal was exposed by a tabloid at the end of last year after Aoi was spotted entering and leaving Matsumoto's apartment building. Matsumoto apparently treated Aoi as his "sex slave". Inoue also stopped working for a while, possibly related to the scandal. But Arashi is a ...

Arashi's Jun Matsumoto has been dating the actress Mao Inoue, if the rumors are to be believed, but their agencies prevent the stars -- who are not getting any younger and perhaps about to pass their peak -- from making their relationship public, yet alone marrying. So what to make of these latest tabloid allegations? Matsumoto is now apparently cheating on Mao with another woman. And she's a porn star. Yes, it seems that being a member of Arashi is a ticket to date and (supposedly) live with a popular actress while also having fun with a member of the adult industry. At the end of ...