Mikan's friends get briefly held by members of organization targeting Alice users.
Then her friends from the titular academy emerge to save her.
Source: mangafox
....no Kichiku AV Satsuei
Another one by Naya and his long names.
An anchor woman is kidnapped from the parking lot, and chloroformed twice.
Source: g.e-hentai.org
Deja gets drugged and carted off to a Martian version of an asylum. Her evil twin brother, who everyone thought was dead, tries to drug and brainwash her. Will he succeed? Yeah, right...
Source: blog
...and the Queen turned into a Slave.
Sorry, the title was too long.
A queen and a princess are handed as captives, and the princess get chloroformed shortly.
Source: g.e-hentai.org
Scarlet Witch is lying unconscious when her brother finds her. It turns out to be Mystique and the real Scarlet Witch is lying unconscious around the corner.
Power Girl is forced by an alien woman named Rana to transfer her powers to her. She puts PG in a tube and the process knocks her out or dazes her for a second.