Okay.
According to Bilibili’s query, in the scene in Asuna’s room, she said something to Kirito on the bed, but the subtitles were not displayed. In fact, Asuna said “Okay.” ".
"Sword Art Online - Battle of the Sequences-" is directed by Tomohiko Ito and co-wrote the script with the original author of the "Sword Art Online" light novel Reiki Kawahara. It is a TV animation produced by A-1Pictures. Sword Art Online" series of animated films.