Adult PC Game: Yuujou Senshi Lilly Arrow -Shin'yuu no Te de Kairaku ni Ochiru Shoujo- by Appetite Archive

Transformation heroine combination "Lily Arrow" and "Release Pier" that protected people from the demons lurking in the darkness!
One day, Release Pier, who is also a close friend, is captured by a demon while sheltering Lily Arrow.
Lily Arrow continues to fight the demons to save her best friend.
One day, Release Peer reappears in front of Lily Arrow.
However, the heart of justice was lost from her eyes, which she met for the first time in a long time, and she became a lewd and poisonous demon sex slave.
Lily Arrow tries to get her back, and
she plans to train Lily Arrow to be a prisoner of the same demon as herself ...

Yuujou Senshi Lilly Arrow -Shin'yuu no Te de Kairaku ni Ochiru Shoujo- by Appetite Gameplay Preview