Seiji Shingen

 is one of the Idols available to produce at 315 Productions. He was a former member of the Self-Defense Forces before forming the Idol Unit FRAME with Ryu Kimura and Hideo Akuno.

Profile
Seiji is a former Self-Defense Force member. Due to an injury, he has retired from the military and become an idol. He has a big-hearted personality, but is rather boorish and weak when it comes to dealing with women. Contrary to his appearance, he has another side to him, one that loves precision work and domestic chores. Seiji always dotes upon his niece. Perhaps the reason he became an idol was to make her happy.

(From 2nd Anniversary Book)

Discography

 * THE IDOLM@STER SideM ST@RTING LINE-08 FRAME

Events
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Gacha
 category=Seiji Gacha ordermethod = sortkey order = ascending 