Episode 8 sees Baka complimenting Ota by telling her she had a "rocking bod" despite being an Otaku.
Majime x Robo
While it's established that Majime held Robo in high admiration rather than harboring feelings for her, her scenes nevertheless play off as this. To the extent that she thought she needed to act like Baka to gain Robo's attention.
In episode 7, Majime wins a giant isopod plush toy for Yamai after she noticed her maneuvering the vending machine for a while. Yamai then asks for a picture to commemorate the moment, so that she can use it to fulfill a promise for a "picture with [her] boyfriend" she made to the social media. Unsurprisingly, her social media blares up with many of her followers assuming that they are actually a couple. Yamai notes that it wasn't bad publicity.
In another episode, Majime rescues Yamai from a tree, doing a three point landing, to Yamai gushing about how cool it was.
Majo x Loli
The two watch a romance movie at the theaters together and share their disdain for it. This segues to Majo wanting to further speak with Loli culminating in asking her out to see another movie which she accepts.
Baka x Yamai
In episode 7, the two find themselves in a tight spot, but Yamai begrudgingly lets it slip that she enjoyed the experience. When Waseda threatens to confiscate her gas mask, she entrusts Baka with grabbing it and hiding it somewhere.
Loli x Lily
Her debut episode has Lily covering Baka's mouth in order to preserve Loli's innocence when Baka tried to tell her how babies were actually born.
In episode 9, Lily has to pinch her own cheek tightly to keep herself from kissing Loli while applying make-up, and she goes into "hunter mode" while using her hands to estimate Loli's cup size while bra shopping.
Baka x Hime
Chapter 77 pretty much sums it all up. It's quite possible that Hime has a crush on Baka of all people, because she was nice to her, and changed her life for the better in the past. Not only does Baka recognize her at first blush despite her drastic change, she's also the only one to ever call Hime by her self-given nickname anymore, and the mere sound of it brought her to tears, after being separated from her senpai for 4 years.
As if driving home the point, the cover of Volume 7 is presented from Baka's perspective, with Hime sitting opposite of her while staring intently into her face with a puppy-eyed, almost affectionate expression.
Nora x Loli
Nora, who already loves cute and fluffy things, finds Loli absolutely adorable when she saw her getting lost at the mall. As Nora puts it, she must "tame" Loli, as if she's a wary kitten.
