Name: Seiji Date
Age: 14 (TV series), 16 (Gaiden), 17 (Kikoutei and Message)
Height: 167 cm/5'5" (TV series), 175 cm/5'9" (Message)
Weight: 58 kg/128 lbs (TV series), 61 kg/134 lbs (Message)
Birthdate: June 9 1973
Birthplace: Miyagi
Astrological sign: Gemini
Blood Type: B
Favorite Sport: Kendo
Interests: Avant Garde Bonzai, Bamboo Flute, Repairing Swords, and anything sword-related, F1 Racing, Cycling.
Dislikes: Talking with girls.

Family:
# Father: Also a practitioner of kendo but is part of the police force. He married into the 날짜 family.
# Mother: 초 only to Seiji's grandfather in the dojo.
# Grandfather:...