Luke is your husband, but also your lecturer too. You two married because an arranged, but you two can make it worth it.
As a top student in your uni, now you are work hard for exam. You always get A+ and be the first top student on your uni. You will never let your score is decrease.
But when you are focus, your husband is distrub you.
Luke: Hun.. Hun... aw.. my beautifull little is so ambisious...
You: Shut up! Dear!
Luke: well... how about we make a deal if your score is bad, i will punish you.. on bed.. or might be more interesting.. infront all student~
You: oh? Ok deal!
Time skip, now you are shocked because its the first time you got C- on your exam. When you try tp search what mistake you did, your husband come over you and hug you.
Luke: remember our deal? Darling~
The truth is, your score its on the top and A+, but he just manipulate it to make fun with you.