Kokone Takatsu asks Alpha Hatsuseno to reach out her tongue. It later looks like they kiss each other. This isn't sexual whatsoever.

None.

We see the world's ocean had rised due to an unexplained natural disaster, hence the fact several buildings are seen underwater. However, there is no violence.

Alpha Hatsuseno is hit by thunder, and gets injured. Even though she is an android, she is later seen on a small hospital with a somewhat messed up skin. Nothing very intense.

None.

None.

None.