Oh wow. Totally did NOT expect that when they walked into the cave.
What amused me so much during the entire episode: Both Aqua and Ruby keep telling Akane stuff and showing her around, and I'm like "yeah, you two, keep telling Batman all those details, he'll run it through his computer and figure everything out!"
And really, can we talk how great of a person Akane simply is? She's not pushing herself to the front. She's immediately offering Aqua medicine. She's nice and caring. And when she walked with Ruby, she really gave off these "big sister" vibes, like she'd fight with her life to protect Ruby in case something happens. That was especially clear when she was all serious "stay back, Ruby" at the end in the cave. I don't know if she's given up already - did her and Aqua truly beak up last episode? I'm not sure. And Arima really is a "look at me!"-attention whore.
Now, the elephant in the room: Who TF was that silver-haired loli girl?! And did Aqua not see her? Are we going full-magic in season 3?
Also, with Ruby talking about age gap all sudden, it makes our recent discussion about the "real father" more relevant. Although I still don't know what age he was. But if more magic elements appear, then a lot of stuff is possible. I mean, heck, the murderer of Ai died ... maybe HE is the silver hairded girl reborn? lol