After her mother reveals to her that Kazuto is not her biological brother, Suguha starts to develop romantic feelings towards him, though is later saddened after realizing his attachment to Asuna.
Setelah ibunya mengungkapkan padanya bahwa Kazuto bukan saudara kandungnya, Suguha mulai mengembangkan perasaan romantis ke arahnya, meskipun kemudian sedih setelah menyadari keterikatannya dengan Asuna.