[Velox0blivio]

Spoiler for spoilers:

The new loli is more powerful then Rose, but she's also the daughter of Francisca Boss... so she's pretty important in a sense. So "both" would be the answer. She transfers school because she wants to be close to Rose, whom she loves, as she's a lesbian.

Pimp didn't really get forced to underground per say, but was offered help by Francisca I believe after the hospital incident. Rose didn't him when they were on the roof since she's surpise by thes sudden awakening. Poison's corrosion is faster than her Healing iirc.

Nishino's kiss was to explain his relationship to Franisca to the Pimp during the oversea trip