The newly married couple is enjoying their time away from the front lines. But a new guest will take them all the way back to the beginning.

Something isn’t right; Recon has sent Leafa a message “I was right. Be careful. S." What does he mean and will Leafa and Kirito have the time to figure it out?

While Asuna continues her attempt to escape, another woman in Kirito’s life tries to make sense of her emotions.

Kirito and the others decide to go on an underwater quest to allow Yui to see a whale, but face a shocking revelation… Suguha is afraid of water. So, Asuna and the other girls decide to teach Suguha how to swim. Meanwhile, Kirito is meeting somebody.