Beyond the Boundary (2013)

S1E3 Moonlight Purple

The Hollow Shadow looms closer with each passing moment. Akihito realizes Mirai intends to throw herself into battle against this formidable youmu, even at the cost of her own life. To prevent her from making such a sacrifice, he must uncover the truth about her history and force a confrontation—yet she keeps slipping away from him, refusing to face what lies between them.