[cyberdemon]

Originally Posted by Yye1

Spoiler for Comparison to the game regarding Mikoto:

^ that would be intersting, since i dont think the VN actually states her last name, though her personality is completely different from the traditional shirakawa

To be fair Kotori and Nanaka were quite different as well. Kotori was a calm Yamato Nadeshiko type while Nanaka is a genki girl type.