Games like Blue Cradle: Signifie

If you finished Blue Cradle: Signifie, the closest matches are Shinjuku Soumei, Sagashimono ha, Natsu desuka., Aeryth, Tsuki ni Yorisou Otome no Sahou and Muv-Luv Photonmelodies. All 6 share its adventure genre and are ranked by how closely their themes and modes overlap.