There will be a confrontation after the ML got the family relation thing. Ofc bc of the brother, the ML will get a certificate indicating she and him were married. The FL would look like she's lying when the confrontation comes even tho the FL was telling the truth because of that certificate. Then next they fuck.
For those who want to know what will happen next... Alright... SPOILER ALERTTTT
After the ML get the family relation thing, he will confront the FL. The FL was in the middle of seeing those guys when she was asked about marriage sht (I forgot the exact reason) then she walked out, and saw the ML outside the cafe, standing in the middle of the rain??? Then yada yada yada she'll follow the ML till they're both soaking wet coz of the rain yada yada yada there will be confrontation and everything then they'll go home and fuck :)

AFTER THAT FAMILY THING! AND CONFRONTATION! THE CHAPTER I'VE VEEN WAITING TO BE DRAWN WAS NEXT WAAAAAAAAAAAAAH