Similar to ばくあね_〜弟しぼっちゃうぞ!

21st Waffen Mountain Division of the SS Skanderbeg

29th Waffen Grenadier Division of the SS (1st Italian)

34th SS Volunteer Grenadier Division Landstorm Nederland

Dirlewanger Brigade

59th Division (Imperial Japanese Army)

101st Division (Imperial Japanese Army)

Incest in popular culture

Analogue: A Hate Story

YU-NO: A Girl Who Chants Love at the Bound of this World

Fatal Frame