diff --git a/contributors/add-DoiRyota.txt b/contributors/add-DoiRyota.txt
new file mode 100644
index 0000000000000..840e7384a3615
--- /dev/null
+++ b/contributors/add-DoiRyota.txt
@@ -0,0 +1,11 @@
+                    ___                       ___                       ___                         ___     
+     _____         /\  \                     /\  \                     /\  \                       /\  \    
+    /::\  \       /::\  \       ___         /::\  \         ___       /::\  \         ___         /::\  \   
+   /:/\:\  \     /:/\:\  \     /\__\       /:/\:\__\       /|  |     /:/\:\  \       /\__\       /:/\:\  \  
+  /:/  \:\__\   /:/  \:\  \   /:/__/      /:/ /:/  /      |:|  |    /:/  \:\  \     /:/  /      /:/ /::\  \ 
+ /:/__/ \:|__| /:/__/ \:\__\ /::\  \     /:/_/:/__/___    |:|  |   /:/__/ \:\__\   /:/__/      /:/_/:/\:\__\
+ \:\  \ /:/  / \:\  \ /:/  / \/\:\  \__  \:\/:::::/  /  __|:|__|   \:\  \ /:/  /  /::\  \      \:\/:/  \/__/
+  \:\  /:/  /   \:\  /:/  /   ~~\:\/\__\  \::/~~/~~~~  /::::\  \    \:\  /:/  /  /:/\:\  \      \::/__/     
+   \:\/:/  /     \:\/:/  /       \::/  /   \:\~~\      ~~~~\:\  \    \:\/:/  /   \/__\:\  \      \:\  \     
+    \::/  /       \::/  /        /:/  /     \:\__\          \:\__\    \::/  /         \:\__\      \:\__\    
+     \/__/         \/__/         \/__/       \/__/           \/__/     \/__/           \/__/       \/__/