My prediction: the misunderstanding is going to be maintained just long enough for Cesar to feel insecure -> he'll try asking Canaria about it or hinting at it -> she'll say, "haha, yeah, remember when he said he wanted to sleep with the dog? Good times, good times." -> both Cesar and the readers will be immensely relieved.
Come to think of it, an author could really gain a following by constantly adding misunderstanding-drama flags as fakeouts. I mean, we're all so tired/traumatized by them at this point that you guys are lamenting at the first whiff of one, and that's honestly a reasonable reaction! We went wild over that save from Raya (aka green-haired guy) back in chapter 26! It's a heretofore untapped niche.