They removed Zabrina and the star to go in the Skullgear HQ from the 0.6 build of the game, you can read it on the Changelog below
0.6 Changelog
ADDED:
- New quests for Ms. B, Dex & Trev
- New cutscenes for Ms. B + updated old ones
- New animations
- Ability to masturbate at home (Ms. B only atm)
- New scenes with Deedee
- New minigame
- Readable books (library only atm)
- Updated school system
- Voice acting for Ms. B
- Voice acting for Alex (New scenes only atm)
- New avatar for Melissa (excluding animations)
- New avatar for Ms. B (Janet)
- New avatar for Hikari
- New avatar for Deedee
- New avatar for Dex
- New avatar for Trev
- New locations (Mall, School, Train Station, Hotel...)
- New character
- Monster Castle
- Improved foliage
- Animated menu backgrounds (option)
- Improved Karma, Intelligence, Strength -system
- Various engine tweaks (for pathfinder, computer, menu system etc.)
REMOVED:
- Skullgear HQ removed temporarily
- Zabrina’s quests removed temporarily