Apollo my love

Soichi is the heir to a major trading company, commonly known as Apollo. He is living an elegant life on a yacht when his mother-in-law offers him an arranged marriage. As a gay man, he finds the idea annoying. Apollo leaves the yacht in the hands of his boyfriend, Masao, and returns to his parents’ house. However, when Apollo is away, three strangers come onto the yacht and rape Masao. When Apollo hears Masao’s voice calling for help, he returns to find…

There was a trailer...but, it has since disappeared.