Character profile
Ichiru Kiryuu
錐生壱縷Biography
Ichiru Kiryuu is Zero's younger twin brother. The two train under Touga Yagari when they are young, though the sickly Ichiru does not appear to share Zero's natural ability. They are initially very close.
Story spoilers
Ichiru later claims that he came to hate Zero after overhearing that their parents preferred his brother over him.
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