YOU SAID:

My mentally challenged sister has been pleased to inform you and me that if I were to get over half a dozen likes on my social media account, her boyfriend will pay us the money he earned over the last one and a half months.

INTO JAPANESE

私の精神的に挑戦した妹は、私が私のソーシャルメディアアカウントで半ダース以上のいいねを得るならば、彼女のボーイフレンドは彼が最後の1ヶ月半にわたって稼いだお金を私たちに支払うことをあなたと私に知らせて喜んでいます。

BACK INTO ENGLISH

My mentally challenged sister is glad to let you and me know that if I get more than half a dozen likes on my social media account, her boyfriend will pay us the money he earned over the last month and a half.

INTO JAPANESE

私の精神的に挑戦した妹は、私が私のソーシャルメディアアカウントで半ダース以上のいいねを得た場合、彼女のボーイフレンドは彼が最後の1ヶ月半にわたって稼いだお金を私たちに支払うことをあなたと私に知らせて喜んでいます。

BACK INTO ENGLISH

My mentally challenged sister is glad to let you and me know that if I get more than half a dozen likes on my social media account, her boyfriend will pay us the money he earned over the last month and a half.