Oh, Sou-Sou's image commentary on the newest Achiga-hen chapter is up. Given how the
10th image in the series matches up with the initial RAW , I think we can say now that the one where Teru's cheek is squished by Awai's head is the correct one.
For the full series of images, it's here:
http://www.pixiv.net/member_illust.p...st_id=29307388