I Won't Give Up Yosuga no sora : Season 1 Episode 6
TV-MA AT-X 25m int(0)
Aired: November 8th, 2010 @ 11:30 PM EST on AT-X
Haruka enters Akira's room and stops her from burning something, which is her mother's missing journal, where it is written that Kazuha and Akira has a chance of mistaken identity. With the journal, he suggests to Yahiro and Kazuha a DNA test to prove things once and for all.