diff --git a/Sources/KanaKanjiConverterModule/ConversionAlgorithms/Core/SuffixReplacementProcessing.swift b/Sources/KanaKanjiConverterModule/ConversionAlgorithms/Core/SuffixReplacementProcessing.swift
index e62078c..8795f49 100644
--- a/Sources/KanaKanjiConverterModule/ConversionAlgorithms/Core/SuffixReplacementProcessing.swift
+++ b/Sources/KanaKanjiConverterModule/ConversionAlgorithms/Core/SuffixReplacementProcessing.swift
@@ -44,18 +44,16 @@ extension Kana2Kanji {
         let latticeIndices = indexMap.indices(inputCount: inputCount, surfaceCount: surfaceCount)
         var lattice = previousResult.lattice.prefix(inputCount: commonInputCount, surfaceCount: commonSurfaceCount)
 
-        let terminalNodes: Lattice
-        if counts.addedInput == 0 && counts.addedSurface == 0 {
-            terminalNodes = Lattice(
-                inputCount: inputCount,
-                surfaceCount: surfaceCount,
-                rawNodes: lattice.map {
-                    $0.filter {
-                        $0.range.endIndex == .input(inputCount) || $0.range.endIndex == .surface(inputCount)
-                    }
+        var terminalNodes = Lattice(
+            inputCount: inputCount,
+            surfaceCount: surfaceCount,
+            rawNodes: lattice.map {
+                $0.filter {
+                    $0.range.endIndex == .input(inputCount) || $0.range.endIndex == .surface(surfaceCount)
                 }
-            )
-        } else {
+            }
+        )
+        if !(counts.addedInput == 0 && counts.addedSurface == 0) {
             // (2)
             let rawNodes = latticeIndices.map { index in
                 let inputRange: (startIndex: Int, endIndexRange: Range<Int>?)? = if let iIndex = index.inputIndex, max(commonInputCount, iIndex) < inputCount {
@@ -80,7 +78,6 @@ extension Kana2Kanji {
                 surfaceCount: surfaceCount,
                 rawNodes: rawNodes
             )
-
             // (3)
             for nodeArray in lattice {
                 for node in nodeArray {
@@ -98,7 +95,7 @@ extension Kana2Kanji {
                 }
             }
             lattice.merge(addedNodes)
-            terminalNodes = addedNodes
+            terminalNodes.merge(addedNodes)
         }
 
         // (3)
diff --git a/Tests/KanaKanjiConverterModuleWithDefaultDictionaryTests/ConverterTests/ConverterTests.swift b/Tests/KanaKanjiConverterModuleWithDefaultDictionaryTests/ConverterTests/ConverterTests.swift
index fab5abe..81adf17 100644
--- a/Tests/KanaKanjiConverterModuleWithDefaultDictionaryTests/ConverterTests/ConverterTests.swift
+++ b/Tests/KanaKanjiConverterModuleWithDefaultDictionaryTests/ConverterTests/ConverterTests.swift
@@ -131,6 +131,29 @@ final class ConverterTests: XCTestCase {
                 }
             }
     }
+    // memo: このケースで単漢字変換などの結果が得られない問題があった
+    func testKimiAndThenDelete() async throws {
+        let converter = await KanaKanjiConverter()
+        var c = ComposingText()
+        let text = "kimi"
+        // 許容される変換結果
+        let possibles = [
+            "君",
+            "気味",
+            "黄身"
+        ]
+        for char in text {
+            c.insertAtCursorPosition(String(char), inputStyle: .roman2kana)
+            let results = await converter.requestCandidates(c, options: requestOptions())
+            if c.input.count == text.count {
+                XCTAssertTrue(possibles.contains(results.mainResults.first!.text))
+            }
+        }
+        // 1文字削除
+        c.deleteBackwardFromCursorPosition(count: 1)
+        let results = await converter.requestCandidates(c, options: requestOptions())
+        XCTAssertTrue(results.mainResults.contains { $0.text == "黄" })
+    }
 
     // memo: このケースでfatalErrorが発生する不具合が生じることがあった
     func testIttaAndThenDelete() async throws {