diff --git a/Cargo.toml b/Cargo.toml
index 0858b74..ea73af6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ tokio = { version = "1", features = ["macros", "rt-multi-thread"] }
 tokio-cron-scheduler = { version = "0" }
 uuid = { version = "0", features = ["serde", "v4", "v5"] }
 
-beteran-protobuf-rust = { git = "https://gitlab.loafle.net/bet/beteran-protobuf-rust.git", tag = "v0.1.95-snapshot" }
-beteran-common-rust = { git = "https://gitlab.loafle.net/bet/beteran-common-rust.git", tag = "v0.1.81-snapshot" }
+beteran-protobuf-rust = { git = "https://gitlab.loafle.net/bet/beteran-protobuf-rust.git", tag = "v0.1.96-snapshot" }
+beteran-common-rust = { git = "https://gitlab.loafle.net/bet/beteran-common-rust.git", tag = "v0.1.82-snapshot" }
 
 [build-dependencies]
diff --git a/src/services/member/service.rs b/src/services/member/service.rs
index c2a3574..7d26562 100644
--- a/src/services/member/service.rs
+++ b/src/services/member/service.rs
@@ -69,6 +69,8 @@ impl Service<'_> {
       self.list_members(),
       self.get_member(),
       self.get_member_by_username(),
+      self.get_member_b(),
+      self.get_member_b_by_username(),
       self.update_member(),
       self.update_member_for_password(),
       self.update_member_for_state(),
@@ -1044,6 +1046,234 @@ impl Service<'_> {
     Ok(())
   }
 
+  async fn get_member_b(&self) -> Result<(), Box<dyn std::error::Error>> {
+    let s = self
+      .connection_broker
+      .queue_subscribe(
+        bpr::ss::member::SUBJECT_GET_MEMBER_B,
+        self.queue_broker.as_str(),
+      )
+      .await?;
+
+    while let Some(message) = s.next().await {
+      if let Err(e) = async {
+        let req =
+          bpr::ss::member::GetMemberBRequest::decode(message.data.as_slice()).map_err(|e| {
+            bcr::error::rpc::Error::InvalidRequest(bcr::error::rpc::InvalidRequest {
+              message: format!("invalid request: {}", e),
+            })
+          })?;
+
+        let client = match req.client {
+          Some(c) => c,
+          None => {
+            return Err(bcr::error::rpc::Error::InvalidParams(
+              bcr::error::rpc::InvalidParams {
+                message: "invalid client information".to_string(),
+                detail: bcr::error::rpc::InvalidParamsDetail {
+                  location: "request".to_string(),
+                  param: "client".to_string(),
+                  value: "".to_string(),
+                  error_type: bcr::error::rpc::InvalidParamsType::Required,
+                  message: "".to_string(),
+                },
+              },
+            ));
+          }
+        };
+        let request = match req.request {
+          Some(r) => r,
+          None => {
+            return Err(bcr::error::rpc::Error::InvalidParams(
+              bcr::error::rpc::InvalidParams {
+                message: "invalid request information".to_string(),
+                detail: bcr::error::rpc::InvalidParamsDetail {
+                  location: "request".to_string(),
+                  param: "request".to_string(),
+                  value: "".to_string(),
+                  error_type: bcr::error::rpc::InvalidParamsType::Required,
+                  message: "".to_string(),
+                },
+              },
+            ));
+          }
+        };
+        let id = uuid::Uuid::from_str(request.id.as_str()).map_err(|e| {
+          bcr::error::rpc::Error::InvalidParams(bcr::error::rpc::InvalidParams {
+            message: "invalid id param".to_string(),
+            detail: bcr::error::rpc::InvalidParamsDetail {
+              location: "request".to_string(),
+              param: "id".to_string(),
+              value: request.id.clone(),
+              error_type: bcr::error::rpc::InvalidParamsType::Required,
+              message: e.to_string(),
+            },
+          })
+        })?;
+
+        let conn = self.pool.get().map_err(|e| {
+          bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+            code: bpr::protobuf::rpc::Error::SERVER_00,
+            message: format!("server {}", e),
+            data: None,
+          })
+        })?;
+
+        let m = self.member_repository.select(&conn, id).map_err(|e| {
+          bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+            code: bpr::protobuf::rpc::Error::SERVER_00,
+            message: format!("server {}", e),
+            data: None,
+          })
+        })?;
+
+        message
+          .respond(
+            bpr::ss::member::GetMemberBResponse {
+              error: None,
+              result: Some(bpr::ss::member::get_member_b_response::Result {
+                member: m.map(|d| bpr::models::member::Member::from(&d)),
+              }),
+            }
+            .encode_to_vec(),
+          )
+          .await
+          .map_err(|e| {
+            bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
+            })
+          })?;
+
+        Ok::<(), bcr::error::rpc::Error>(())
+      }
+      .await
+      {
+        message
+          .respond(
+            bpr::ss::member::GetMemberBResponse {
+              error: Some(bpr::protobuf::rpc::Error::from(e)),
+              result: None,
+            }
+            .encode_to_vec(),
+          )
+          .await?;
+      }
+    }
+
+    Ok(())
+  }
+
+  async fn get_member_b_by_username(&self) -> Result<(), Box<dyn std::error::Error>> {
+    let s = self
+      .connection_broker
+      .queue_subscribe(
+        bpr::ss::member::SUBJECT_GET_MEMBER_B_BY_USERNAME,
+        self.queue_broker.as_str(),
+      )
+      .await?;
+
+    while let Some(message) = s.next().await {
+      if let Err(e) = async {
+        let req = bpr::ss::member::GetMemberBByUsernameRequest::decode(message.data.as_slice())
+          .map_err(|e| {
+            bcr::error::rpc::Error::InvalidRequest(bcr::error::rpc::InvalidRequest {
+              message: format!("invalid request: {}", e),
+            })
+          })?;
+
+        let client = match req.client {
+          Some(c) => c,
+          None => {
+            return Err(bcr::error::rpc::Error::InvalidParams(
+              bcr::error::rpc::InvalidParams {
+                message: "invalid client information".to_string(),
+                detail: bcr::error::rpc::InvalidParamsDetail {
+                  location: "request".to_string(),
+                  param: "client".to_string(),
+                  value: "".to_string(),
+                  error_type: bcr::error::rpc::InvalidParamsType::Required,
+                  message: "".to_string(),
+                },
+              },
+            ));
+          }
+        };
+        let request = match req.request {
+          Some(r) => r,
+          None => {
+            return Err(bcr::error::rpc::Error::InvalidParams(
+              bcr::error::rpc::InvalidParams {
+                message: "invalid request information".to_string(),
+                detail: bcr::error::rpc::InvalidParamsDetail {
+                  location: "request".to_string(),
+                  param: "request".to_string(),
+                  value: "".to_string(),
+                  error_type: bcr::error::rpc::InvalidParamsType::Required,
+                  message: "".to_string(),
+                },
+              },
+            ));
+          }
+        };
+        let conn = self.pool.get().map_err(|e| {
+          bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+            code: bpr::protobuf::rpc::Error::SERVER_00,
+            message: format!("server {}", e),
+            data: None,
+          })
+        })?;
+
+        let m = self
+          .member_repository
+          .select_by_username(&conn, request.username.as_str())
+          .map_err(|e| {
+            bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
+            })
+          })?;
+
+        message
+          .respond(
+            bpr::ss::member::GetMemberBByUsernameResponse {
+              error: None,
+              result: Some(bpr::ss::member::get_member_b_by_username_response::Result {
+                member: m.map(|d| bpr::models::member::Member::from(&d)),
+              }),
+            }
+            .encode_to_vec(),
+          )
+          .await
+          .map_err(|e| {
+            bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
+            })
+          })?;
+
+        Ok::<(), bcr::error::rpc::Error>(())
+      }
+      .await
+      {
+        message
+          .respond(
+            bpr::ss::member::GetMemberBByUsernameResponse {
+              error: Some(bpr::protobuf::rpc::Error::from(e)),
+              result: None,
+            }
+            .encode_to_vec(),
+          )
+          .await?;
+      }
+    }
+
+    Ok(())
+  }
+
   async fn update_member(&self) -> Result<(), Box<dyn std::error::Error>> {
     let s = self
       .connection_broker