Keep Well, they already encountered a similar event, way back in Saubro and the outdoor activity before Ciana said yes to Donovan in agreeing that Eino will become her quarter partner for the whole four months.
Eino paused and asked her, "When are we going to get tired of this?"
"When I get old, I guess?" Ciana responded.
"Is it supposed to be 'We' and 'Us' growing old together?" Eino smiled at her while moving his eyebrows, up and down.
"Who is We and Us?" Ciana does not even know what he meant by the, We and Us. And it was wrong for her to ask.
"You" He points his blade at her, "And Me, of course." Eino points the blade at his heart. It was a good opportunity for Ciana to stab him, but she is not required to do that kind of thing.
Also, it would be lame to do it without a valid reason. She does not like want to end someone's life with just a common low-class kind of drama.