HUNTC-300 The girl with a boyfriend who pitied me after I was rejected 100 times and couldn't get any action let me do anything perverted! Live-action version

The long-awaited live-action adaptation of the hugely popular author, Shiwasu no Oji!Tatsuji is an unpopular boy who has been rejected 100 times after confessing his feelings 100 times, and Tatsuji is depressed and his five female friends hold a comforting karaoke party!!All of them have boyfriends.Tatsuji, a boy who is unpopular with his girlfriend, wants to hear a sexy episode with his boyfriend who is used to make masturbation material in order to comfort the pain of his broken heart...and then he gets excited by a female friend with a boyfriend who has a thrilling boyfriend, and he says, "Lovely erotic sex that makes him your boyfriend"' has begun...!?