"If you watch this music video, you can become her ex-boyfriend."
"Everyone who watches this music video can become the girls' ex-boyfriend."
- "If you watch this music video, you can become her ex-boyfriend."
"if you watch ~" 「〜を見れば」
"this music video" 「このMV」"music video" の代わりに "video clip" も言えます。
"you can become ~" 「〜になれる」
"her ex-boyfriend" 「彼女の元彼」
- "Everyone who watches this music video can become the girls' ex-boyfriend."
"everyone" 「誰でも」"anyone" も言えます。
"everyone who watches this music video" 「このMVを見るみんなは」
"can become ~" 「〜になれる」
"the girls'~" 「彼女の〜」