It's a small update mostly focused on replacing animations.

CHANGELOG from v0.21.1b to v0.21.5a:

• +60 New Animations (Mostly re-animated Nicole's animations from 4 FPS to 60 FPS).
• Alice new scene (+80CGs).
• Alice's yoga scene has an extended bonus scene.
• New look for Nicole.
• New small talks and side events for Alice, Elly, Cody and Cadence.
• New replayable events for Alice and Elly.
• New content for the Bonus Gallery.
• Proofreading changes.
• Bugfixes.