diff --git a/json/yokutango_1.json b/json/yokutango_01.json
similarity index 100%
rename from json/yokutango_1.json
rename to json/yokutango_01.json
diff --git a/json/yokutango_2.json b/json/yokutango_02.json
similarity index 100%
rename from json/yokutango_2.json
rename to json/yokutango_02.json
diff --git a/json/yokutango_3.json b/json/yokutango_03.json
similarity index 100%
rename from json/yokutango_3.json
rename to json/yokutango_03.json
diff --git a/json/yokutango_4.json b/json/yokutango_04.json
similarity index 100%
rename from json/yokutango_4.json
rename to json/yokutango_04.json
diff --git a/json/yokutango_5.json b/json/yokutango_05.json
similarity index 100%
rename from json/yokutango_5.json
rename to json/yokutango_05.json
diff --git a/json/yokutango_6.json b/json/yokutango_06.json
similarity index 100%
rename from json/yokutango_6.json
rename to json/yokutango_06.json
diff --git a/json/yokutango_7.json b/json/yokutango_07.json
similarity index 100%
rename from json/yokutango_7.json
rename to json/yokutango_07.json
diff --git a/json/yokutango_8.json b/json/yokutango_08.json
similarity index 100%
rename from json/yokutango_8.json
rename to json/yokutango_08.json
diff --git a/json/yokutango_9.json b/json/yokutango_09.json
similarity index 100%
rename from json/yokutango_9.json
rename to json/yokutango_09.json