diff --git a/dev/flat_sepuku.Rmd b/dev/flat_sepuku.Rmd
new file mode 100644
index 0000000..c654a6f
--- /dev/null
+++ b/dev/flat_sepuku.Rmd
@@ -0,0 +1,66 @@
+---
+title: "flat_sepuku.Rmd empty"
+output: html_document
+editor_options: 
+  chunk_output_type: console
+---
+
+```{r development, include=FALSE}
+library(testthat)
+```
+
+```{r development-load}
+# Load already included functions if relevant
+pkgload::load_all(export_all = FALSE)
+```
+
+# sepuku
+
+```{r function-sepuku}
+#' sepuku Title
+#'
+#' @return 1
+#' @export
+#'
+#' @examples
+sepuku <- function(
+    pkg = ".") {
+  # Check if the package has a dev folder
+  if (!dir.exists(file.path(pkg, "dev"))) {
+    stop("No dev/ folder have been found. Are you sure that your package has been initiated with fusen ?")
+  }
+}
+```
+
+```{r examples-sepuku}
+sepuku()
+```
+
+```{r tests-sepuku}
+dummypackage <- tempfile("sepuku")
+dir.create(dummypackage)
+fill_description(pkg = dummypackage, fields = list(Title = "Dummy Package"))
+
+test_that("sepuku is a function", {
+  expect_true(inherits(sepuku, "function"))
+})
+
+usethis::with_project(dummypackage, {
+  browser()
+  # Add licence
+  usethis::use_mit_license("John Doe")
+
+  #  Check for a dev folder
+  expect_error(
+    sepuku(), "No dev/ folder have been found. Are you sure that your package has been initiated with fusen ?"
+  )
+})
+```
+
+
+```{r development-inflate, eval=FALSE}
+# Run but keep eval=FALSE to avoid infinite loop
+# Execute in the console directly
+fusen::inflate(flat_file = "dev/flat_sepuku.Rmd", vignette_name = "Go further")
+```
+