Ane Log (Blu-ray)

When Moyako and Akira were little, he promised that someday he would marry her. Which sounds sweet, but since he's her younger brother, it's never going to happen. Except now they're both in their teens and Moyako still can't get that memory out of her head. Was he serious? Does he still feel that way? And with that idea stuck in her brain, she keeps thinking that she hears hints of it in...