Nao was furious. Brother Seiya had once belonged to her alone.
But after he started playing Sword Art Online, he gained an official girlfriend, Asuna, who was constantly at odds with her, his childhood friend.
Then when he played Gun Gale Online, Shino joined the picture too, and she was also hopelessly devoted to Brother Seiya.
Now Seiya had started playing Shangri-La Frontier. Nao had originally planned to fill that gap herself, only for some woman who had appeared out of nowhere to beat her to it!
That was right. Nao was highly certain that Brother Seiya's so-called "friend" had to be a girl!
Because the last time they had been eating together, Brother Seiya's phone had suddenly rung.
Although she had only caught a fleeting glimpse, Nao had clearly seen that the name on the caller ID was a woman's name.
And after seeing the caller ID, Seiya had not answered the phone in front of her. Instead, he had specifically gone out into the hallway.
Brother Seiya was hiding it from her!
This abnormal situation made Nao feel that things were far from simple, and she realized that the situation had become extremely urgent.
So, in order to avoid another troublesome romantic rival appearing, Nao felt that she should put aside her prejudices and join forces with Asuna against their common enemy.
"Nao, aren't you overthinking this? Going by what you said, Seiya has only been playing Shangri-La Frontier for a little over a week, right?"
"You've known Brother Seiya for so long. Do you really think he's the kind of character who can be conquered that easily?"
Inside Asuna's room at the Yuuki Residence.
Wearing a set of white silk pajamas, Asuna sat at her desk with glasses on, reviewing her schoolwork.
The two-year gap during which