diff --git a/adachi b/adachi
deleted file mode 100644
index ce01362..0000000
--- a/adachi
+++ /dev/null
@@ -1 +0,0 @@
-hello
diff --git a/sein.md b/sein.md
index e69de29..ccc3e7b 100644
--- a/sein.md
+++ b/sein.md
@@ -0,0 +1 @@
+aaaaa