Holy Valkyrie EXS-TiA Concerto 1

Holy Valkyrie EXS-TiA Concerto 1 is a transforming heroine action visual novel from Japanese developer Lusterise. Set in the peaceful city of Kawado Higashi, the protagonist Haruna discovers she is a messenger of justice with the ability to transform in order to combat mysterious disasters plaguing the town. As she uncovers the truth behind the accidents and attacks in her neighborhood, she must confront various uniquely-powered monsters while navigating her daily life and relationships. The game blends combat gameplay with visual novel storytelling, focusing on the heroine's transformation sequences and battles against supernatural threats.