The dream that Carcel had in ch6 is actually a memory from the first life. Ines came to a banquet and heard people talking about Carcel helping Maria. But Carcel was only helping Maria because her grandfather, his mentor, had fallen ill. That led to the conversation where Ines ends up telling Carcel, prove to her that he wants her. So Carcel took her home to prove it to her. They were already married at the time.
The dream that Carcel had in ch6 is actually a memory from the first life. Ines came to a banquet and heard people talking about Carcel helping Maria. But Carcel was only helping Maria because her grandfather, his mentor, had fallen ill. That led to the conversation where Ines ends up telling Carcel, prove to her that he wants her. So Carcel took her home to prove it to her. They were already married at the time.
Ep6 pages 2 - 5
https://www.mangago.zone/read-manga/the_broken_ring_this_marriage_will_fail_anyway/uu/br_chapter-101331/pg-2/
https://www.mangago.zone/read-manga/the_broken_ring_this_marriage_will_fail_anyway/uu/br_chapter-101331/pg-3/
https://www.mangago.zone/read-manga/the_broken_ring_this_marriage_will_fail_anyway/uu/br_chapter-101331/pg-4/
https://www.mangago.zone/read-manga/the_broken_ring_this_marriage_will_fail_anyway/uu/br_chapter-101331/pg-5/