diff --git a/src/c2se/backend/mod.rs b/src/c2se/backend/mod.rs
index f764bbb..d1df18e 100644
--- a/src/c2se/backend/mod.rs
+++ b/src/c2se/backend/mod.rs
@@ -1,2 +1,3 @@
 pub mod identity;
 pub mod member;
+pub mod site;
diff --git a/src/c2se/backend/site.rs b/src/c2se/backend/site.rs
new file mode 100644
index 0000000..564cfa6
--- /dev/null
+++ b/src/c2se/backend/site.rs
@@ -0,0 +1,114 @@
+use crate::protobuf::pagination;
+use crate::protobuf::rpc;
+
+const SUBJECT: &str = "bet.beteran.c2se.backend.site";
+
+pub const SUBJECT_LIST_SITES: &str = const_format::concatcp!(SUBJECT, ".ListSites");
+/// subject = bet.beteran.c2se.backend.site.ListSites
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ListSitesRequest {
+  #[prost(message, optional, tag = "1")]
+  pub pagination: ::core::option::Option<pagination::Pagination>,
+  #[prost(message, repeated, tag = "2")]
+  pub searches: ::prost::alloc::vec::Vec<pagination::Search>,
+  #[prost(message, repeated, tag = "3")]
+  pub sorts: ::prost::alloc::vec::Vec<pagination::Sort>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ListSitesResponse {
+  #[prost(message, optional, tag = "1")]
+  pub error: ::core::option::Option<rpc::Error>,
+  #[prost(message, optional, tag = "2")]
+  pub result: ::core::option::Option<list_sites_response::Result>,
+}
+
+/// Nested message and enum types in `ListSitesResponse`.
+pub mod list_sites_response {
+  use crate::models::domain;
+
+  #[derive(Clone, PartialEq, ::prost::Message)]
+  pub struct Result {
+    #[prost(message, repeated, tag = "1")]
+    pub sites: ::prost::alloc::vec::Vec<domain::Site>,
+  }
+}
+
+pub const SUBJECT_CREATE_SITE: &str = const_format::concatcp!(SUBJECT, ".CreateSite");
+/// subject = bet.beteran.c2se.backend.site.CreateSite
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CreateSiteRequest {
+  #[prost(string, tag = "1")]
+  pub url: ::prost::alloc::string::String,
+  #[prost(bool, tag = "2")]
+  pub show: bool,
+  #[prost(bool, tag = "3")]
+  pub can_use: bool,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CreateSiteResponse {
+  #[prost(message, optional, tag = "1")]
+  pub error: ::core::option::Option<rpc::Error>,
+  #[prost(message, optional, tag = "2")]
+  pub result: ::core::option::Option<create_site_response::Result>,
+}
+/// Nested message and enum types in `CreateSiteResponse`.
+pub mod create_site_response {
+  use crate::models::domain;
+
+  #[derive(Clone, PartialEq, ::prost::Message)]
+  pub struct Result {
+    #[prost(message, optional, tag = "1")]
+    pub site: ::core::option::Option<domain::Site>,
+  }
+}
+
+pub const SUBJECT_UPDATE_SITE: &str = const_format::concatcp!(SUBJECT, ".UpdateSite");
+/// subject = bet.beteran.c2se.backend.site.UpdateSite
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct UpdateSiteRequest {
+  #[prost(string, tag = "1")]
+  pub id: ::prost::alloc::string::String,
+  #[prost(string, tag = "2")]
+  pub url: ::prost::alloc::string::String,
+  #[prost(bool, tag = "3")]
+  pub show: bool,
+  #[prost(bool, tag = "4")]
+  pub can_use: bool,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct UpdateSiteResponse {
+  #[prost(message, optional, tag = "1")]
+  pub error: ::core::option::Option<rpc::Error>,
+  #[prost(message, optional, tag = "2")]
+  pub result: ::core::option::Option<update_site_response::Result>,
+}
+/// Nested message and enum types in `UpdateSiteResponse`.
+pub mod update_site_response {
+  use crate::models::domain;
+  
+  #[derive(Clone, PartialEq, ::prost::Message)]
+  pub struct Result {
+    #[prost(message, optional, tag = "1")]
+    pub site: ::core::option::Option<domain::Site>,
+  }
+}
+
+pub const SUBJECT_DELETE_SITE: &str = const_format::concatcp!(SUBJECT, ".DeleteSite");
+/// subject = bet.beteran.c2se.backend.site.DeleteSite
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct DeleteSiteRequest {
+  #[prost(string, tag = "1")]
+  pub id: ::prost::alloc::string::String,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct DeleteSiteResponse {
+  #[prost(message, optional, tag = "1")]
+  pub error: ::core::option::Option<rpc::Error>,
+  #[prost(message, optional, tag = "2")]
+  pub result: ::core::option::Option<delete_site_response::Result>,
+}
+/// Nested message and enum types in `DeleteSiteResponse`.
+pub mod delete_site_response {
+  #[derive(Clone, PartialEq, ::prost::Message)]
+  pub struct Result {}
+}