Games like Shin Koihime Musou: Otome Ryouran Sangokushi Engi

If you finished Shin Koihime Musou: Otome Ryouran Sangokushi Engi, the closest matches are Fire Emblem: Three Houses, HuniePop, Fate/Stay Night, Sengoku Rance and Katawa Shoujo. All 9 share its hack and slash/beat 'em up genre and are ranked by how closely their themes and modes overlap.