Character profile
Seiroku Sakamoto
坂本清六Biography
Seiroku Sakamoto is Kihachi's charismatic older brother, driven by a passion for inventing electricity. Recognizing Kihachi's ingenuity, he vows to help realize his younger brother's dream.
Story spoilers
Seiroku goes to war carrying the "20th Century Electrical Catalog" and never returns.
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