diff --git a/honoka/src/honoka_def.h b/honoka/src/honoka_def.h
index 065c51a..7cff608 100644
--- a/honoka/src/honoka_def.h
+++ b/honoka/src/honoka_def.h
@@ -115,6 +115,9 @@
 #define HONOKA_CONFIG_PREDICTION                    "/IMEngine/Honoka/Prediction"
 #define HONOKA_DEFAULT_PREDICTION                   true
 
+#define HONOKA_CONFIG_REALTIME_PREDICTION          "/IMEngine/Honoka/RealtimePrediction"
+#define HONOKA_DEFAULT_REALTIME_PREDICTION         true
+
 #define HONOKA_PROP_MODESTATUS                     "/IMEngine/Honoka/Property/ModeStatus"
 #define HONOKA_PROP_INPUTMODE                      "/IMEngine/Honoka/InputMode"
 #define HONOKA_PROP_CONVERSIONMODE                 "/IMEngine/Honoka/ConversionMode"
diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index 571fc7f..6c4385b 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -320,6 +320,7 @@
     mini_status = _scim_config->read(String(HONOKA_CONFIG_MINISTATUS),HONOKA_DEFAULT_MINISTATUS);
     numkeyselect = _scim_config->read(String(HONOKA_CONFIG_NUMKEY_SELECT),HONOKA_DEFAULT_NUMKEY_SELECT);
     prediction = _scim_config->read(String(HONOKA_CONFIG_PREDICTION),HONOKA_DEFAULT_PREDICTION);
+    realtime_prediction = _scim_config->read(String(HONOKA_CONFIG_REALTIME_PREDICTION),HONOKA_DEFAULT_REALTIME_PREDICTION);
     if (m_predictor->getName() == "Predictor") prediction = false;
     
     defaultPreEditor = _scim_config->read(String(HONOKA_CONFIG_DEFAULT_PREEDITOR),String(HONOKA_DEFAULT_DEFAULT_PREEDITOR));
@@ -669,7 +670,7 @@
             update_preedit_caret(m_preeditor->getPos());
         }
         // Prediction
-        if ((!m_conversion) && prediction && m_predictor->isConnected() && (!auto_conversion)) {
+        if ((!m_conversion) && realtime_prediction && prediction && m_predictor->isConnected() && (!auto_conversion)) {
             m_convList = m_predictor->getPredictionList(m_preeditor->getText());
             if (m_convList.count()) {
                 m_lookup_table.clear();
@@ -861,6 +862,16 @@
             return true;
         } else
         if (k_select_prediction.comp(key) && prediction) {
+            if (!realtime_prediction) {
+                m_convList = m_predictor->getPredictionList(m_preeditor->getText());
+                if (m_convList.count()) {
+                    m_lookup_table.clear();
+                    for(unsigned int i = 0;i < m_convList.count();i ++) {
+                        m_lookup_table.append_candidate(m_convList.kouho.at(i).kanji);
+                    }
+                    startLookup();
+                }
+            }
             if ((m_convList.kType == PREDICTION) && (m_convList.count())) {
                 return process_prediction_key_event(key);
             }
diff --git a/honoka/src/honoka_imengine.h b/honoka/src/honoka_imengine.h
index 70d7246..de9aac5 100644
--- a/honoka/src/honoka_imengine.h
+++ b/honoka/src/honoka_imengine.h
@@ -130,6 +130,7 @@
     bool numkeyselect;
     bool mini_status;
     bool prediction;
+    bool realtime_prediction;
     bool auto_conversion;
     String defaultPreEditor;
     String defaultConvertor;