Question: are kazuto and suguha related?
Answer: Kirigaya Suguha (Leafa) Kirigaya Suguha is Kirito's real life adopted-sister/maternal cousin. Kazuto created distance between them when he found out they weren't real siblings but instead cousins. ... When Kirito was trapped in SAO, Suguha was conflicted with her feelings for Kirito and eventually realized she loved him.