diff --git a/bench/cmd/bench/supervise.go b/bench/cmd/bench/supervise.go
index 27a98e467..ce69d6452 100644
--- a/bench/cmd/bench/supervise.go
+++ b/bench/cmd/bench/supervise.go
@@ -395,11 +395,10 @@ var supervise = cli.Command{
 						NotifyWorkerErr(job, err, "", "", "ベンチマーカーの結果送信に失敗。すぐに調査してください。supervisorの処理は継続します")
 					}
 
-					_ = finalcheckBucketName
-					// log.Println("upload finalcheck result")
-					// if err := UploadFinalcheckResult(finalcheckBucketName, job.ID, job.Team); err != nil {
-					// 	NotifyWorkerErr(job, err, "", "", "FinalCheckの結果送信に失敗。すぐに調査してください。supervisorの処理は継続します")
-					// }
+					log.Println("upload finalcheck result")
+					if err := UploadFinalcheckResult(finalcheckBucketName, job.ID, job.Team); err != nil {
+						NotifyWorkerErr(job, err, "", "", "FinalCheckの結果送信に失敗。すぐに調査してください。supervisorの処理は継続します")
+					}
 
 					log.Println("cleanup old logs for next job")
 					os.Remove(config.StaffLogPath)
diff --git a/bench/scenario/core_finalcheck.go b/bench/scenario/core_finalcheck.go
index 1cf236850..1cf6a0f9a 100644
--- a/bench/scenario/core_finalcheck.go
+++ b/bench/scenario/core_finalcheck.go
@@ -2,7 +2,9 @@ package scenario
 
 import (
 	"context"
+	"encoding/json"
 	"os"
+	"time"
 
 	"github.com/isucon/isucandar/agent"
 	"github.com/isucon/isucon13/bench/internal/config"
@@ -13,6 +15,17 @@ import (
 
 func FinalcheckScenario(ctx context.Context, contestantLogger *zap.Logger, dnsResolver *resolver.DNSResolver) error {
 
+	// 3秒待つ
+loop:
+	for {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case <-time.After(3 * time.Second):
+			break loop
+		}
+	}
+
 	client, err := isupipe.NewCustomResolverClient(
 		contestantLogger,
 		dnsResolver,
@@ -21,11 +34,28 @@ func FinalcheckScenario(ctx context.Context, contestantLogger *zap.Logger, dnsRe
 	if err != nil {
 		return err
 	}
+	// タグ指定なし検索
+	searchedStream, err := client.SearchLivestreams(ctx, isupipe.WithLimitQueryParam(config.NumSearchLivestreams))
+	if err != nil {
+		return err
+	}
+	lgr := zap.S()
+	ids := []int64{}
+	for _, stream := range searchedStream {
+		ids = append(ids, stream.ID)
+	}
+	b, err := json.Marshal(ids)
+	if err != nil {
+		return err
+	}
+	lgr.Info("Finalcheck SearchLivestreams IDs:", string(b))
 
-	// FIXME: ライブコメント存在チェック
-	_ = client
+	b2, err := json.Marshal(searchedStream)
+	if err != nil {
+		return err
+	}
 
-	if err := os.WriteFile(config.FinalcheckPath, []byte("{}"), os.ModePerm); err != nil {
+	if err := os.WriteFile(config.FinalcheckPath, b2, os.ModePerm); err != nil {
 		return err
 	}