Switch Girl!! Season 2 Episode 4

Nika wakes up in the Black Nails hide out, and quickly plots her escape which is easily done because the members of the gang are too busy with their plans to kidnap then sell off Masasume's current friends. During this point they learn about Nino- Nika's best friend - who is the girl Masasume likes and they extend the kidnapping plan to her as well. Masasume and Arata don't discover about Nino's kidnapping because Arata is too busy learning about Masasume's pass with Zen and the Black Nails gang, which they discover have dealing with drugs and prostitution with the Yakuza. So they plot to help infiltrate the gang, and they get Masasume's friend's out but get caught before rescuing Nino. However Nika already learned about Nino's kinapping and can't leave her behind especially since she learns that Meika helped with the kidnapping. However, even though she ends up knocking out a few of the gang members she ends up getting caught by Zen again.