Mille-Feuille - Petit Mille-Feuille - Brilliant Blooming Excel Chiffon ver.1.03 (JAP) - Adult Sex Game

Best friends Natsuki and Mifuyuu encounter a mysterious light on the way home from school.
The light speaks to them, and speaks to them of a danger threatening the planet,
and that they must accept the power and responsibility of battling it.
Soon enough, the Elgonian Empire from another world arrives…can the two girls protect the planet!?