diff --git a/.verify-helper/timestamps.remote.json b/.verify-helper/timestamps.remote.json
index 08803305..9d1398bc 100644
--- a/.verify-helper/timestamps.remote.json
+++ b/.verify-helper/timestamps.remote.json
@@ -54,14 +54,11 @@
 "tests/library_checker_aizu_tests/graphs/connected_components_of_complement_graph.test.cpp": "2024-12-14 19:50:29 -0600",
 "tests/library_checker_aizu_tests/graphs/dijkstra_aizu.test.cpp": "2024-12-14 19:50:29 -0600",
 "tests/library_checker_aizu_tests/graphs/dijkstra_lib_checker.test.cpp": "2024-12-14 19:50:29 -0600",
-"tests/library_checker_aizu_tests/graphs/directed_cycle.test.cpp": "2024-12-15 14:34:10 -0600",
+"tests/library_checker_aizu_tests/graphs/directed_cycle.test.cpp": "2025-01-15 00:04:30 -0700",
 "tests/library_checker_aizu_tests/graphs/enumerate_triangles.test.cpp": "2024-12-14 19:50:29 -0600",
 "tests/library_checker_aizu_tests/graphs/hopcroft_karp_aizu.test.cpp": "2024-12-14 19:50:29 -0600",
 "tests/library_checker_aizu_tests/graphs/hopcroft_karp_lib_checker.test.cpp": "2024-12-14 19:50:29 -0600",
 "tests/library_checker_aizu_tests/graphs/mst.test.cpp": "2024-11-17 14:04:03 -0600",
-"tests/library_checker_aizu_tests/graphs/offline_incremental_scc.test.cpp": "2024-12-15 14:34:10 -0600",
-"tests/library_checker_aizu_tests/graphs/strongly_connected_components_aizu.test.cpp": "2024-12-15 14:34:10 -0600",
-"tests/library_checker_aizu_tests/graphs/strongly_connected_components_lib_checker.test.cpp": "2024-12-15 14:34:10 -0600",
 "tests/library_checker_aizu_tests/graphs/two_edge_components.test.cpp": "2024-12-15 09:01:54 -0600",
 "tests/library_checker_aizu_tests/handmade_tests/count_paths_forest.test.cpp": "2024-12-15 14:34:10 -0600",
 "tests/library_checker_aizu_tests/handmade_tests/dsu_size.test.cpp": "2024-12-14 19:50:29 -0600",
diff --git a/library/graphs/scc/add_edges_strongly_connected.hpp b/library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp
similarity index 100%
rename from library/graphs/scc/add_edges_strongly_connected.hpp
rename to library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp
diff --git a/library/graphs/scc/offline_incremental_scc.hpp b/library/graphs/strongly_connected_components/offline_incremental_scc.hpp
similarity index 100%
rename from library/graphs/scc/offline_incremental_scc.hpp
rename to library/graphs/strongly_connected_components/offline_incremental_scc.hpp
diff --git a/library/graphs/scc/scc.hpp b/library/graphs/strongly_connected_components/scc.hpp
similarity index 100%
rename from library/graphs/scc/scc.hpp
rename to library/graphs/strongly_connected_components/scc.hpp
diff --git a/tests/.config/.cppcheck_suppression_list b/tests/.config/.cppcheck_suppression_list
index 62357e93..b3abc40b 100644
--- a/tests/.config/.cppcheck_suppression_list
+++ b/tests/.config/.cppcheck_suppression_list
@@ -21,7 +21,7 @@ unusedScopedObject:library_checker_aizu_tests/trees/cd_jump_on_tree.test.cpp:58
 arrayIndexOutOfBoundsCond:library_checker_aizu_tests/math/linear_prime_sieve.test.cpp:17
 negativeContainerIndex:../library/strings/suffix_array/burrows_wheeler.hpp:50
 useStlAlgorithm:../kactl/content/numerical/FastFourierTransform.h:53
-useStlAlgorithm:../library/graphs/scc/add_edges_strongly_connected.hpp:58
+useStlAlgorithm:../library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp:58
 useStlAlgorithm:../library/math/matrix_related/row_reduce.hpp:28
 useStlAlgorithm:../library/math/count_paths/count_paths_triangle.hpp:24
 useStlAlgorithm:../library/math/matrix_related/xor_basis_unordered_intersection.hpp:10
diff --git a/tests/library_checker_aizu_tests/graphs/offline_incremental_scc.test.cpp b/tests/library_checker_aizu_tests/graphs/offline_incremental_scc.test.cpp
index 603c7edd..d7fc10ce 100644
--- a/tests/library_checker_aizu_tests/graphs/offline_incremental_scc.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/offline_incremental_scc.test.cpp
@@ -1,9 +1,10 @@
-#define PROBLEM \
-  "https://judge.yosupo.jp/problem/incremental_scc"
+#define PROBLEM "https://judge.yosupo.jp/problem/incremental_scc"
 #include "../template.hpp"
+
+#include "../../../library/graphs/strongly_connected_components/offline_incremental_scc.hpp"
 #include "../../../kactl/content/data-structures/UnionFind.h"
-#include "../../../library/graphs/scc/offline_incremental_scc.hpp"
 #include "../../../library/math/mod_int.hpp"
+
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
@@ -18,8 +19,7 @@ int main() {
     assert((eds[t][0] == eds[t][1]) == (joins[t] == -1));
   vector<int> order(m);
   iota(all(order), 0);
-  ranges::sort(all(order), {},
-    [&](int i) { return joins[i]; });
+  ranges::sort(all(order), {}, [&](int i) { return joins[i]; });
   UF uf(n);
   mint sum = 0;
   for (int t = 0, it = 0; t < m; t++) {
diff --git a/tests/library_checker_aizu_tests/graphs/strongly_connected_components_aizu.test.cpp b/tests/library_checker_aizu_tests/graphs/strongly_connected_components_aizu.test.cpp
index e9e42a8d..a919230a 100644
--- a/tests/library_checker_aizu_tests/graphs/strongly_connected_components_aizu.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/strongly_connected_components_aizu.test.cpp
@@ -1,8 +1,10 @@
 #define PROBLEM \
   "https://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=GRL_3_C"
 #include "../template.hpp"
+
+#include "../../../library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp"
 #include "../scc_asserts.hpp"
-#include "../../../library/graphs/scc/add_edges_strongly_connected.hpp"
+
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
diff --git a/tests/library_checker_aizu_tests/graphs/strongly_connected_components_lib_checker.test.cpp b/tests/library_checker_aizu_tests/graphs/strongly_connected_components_lib_checker.test.cpp
index 08d7e4fa..68c3c4db 100644
--- a/tests/library_checker_aizu_tests/graphs/strongly_connected_components_lib_checker.test.cpp
+++ b/tests/library_checker_aizu_tests/graphs/strongly_connected_components_lib_checker.test.cpp
@@ -1,7 +1,9 @@
 #define PROBLEM "https://judge.yosupo.jp/problem/scc"
 #include "../template.hpp"
+
+#include "../../../library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp"
 #include "../scc_asserts.hpp"
-#include "../../../library/graphs/scc/add_edges_strongly_connected.hpp"
+
 int main() {
   cin.tie(0)->sync_with_stdio(0);
   int n, m;
@@ -16,8 +18,7 @@ int main() {
   auto [num_sccs, scc_id] = sccs(adj);
   cout << num_sccs << '\n';
   vector<vector<int>> each_scc(num_sccs);
-  for (int i = 0; i < n; i++)
-    each_scc[scc_id[i]].push_back(i);
+  for (int i = 0; i < n; i++) each_scc[scc_id[i]].push_back(i);
   for (int i = num_sccs - 1; i >= 0; i--) {
     cout << sz(each_scc[i]) << " ";
     for (auto node : each_scc[i]) cout << node << " ";
diff --git a/tests/library_checker_aizu_tests/scc_asserts.hpp b/tests/library_checker_aizu_tests/scc_asserts.hpp
index b436c02a..48edbaae 100644
--- a/tests/library_checker_aizu_tests/scc_asserts.hpp
+++ b/tests/library_checker_aizu_tests/scc_asserts.hpp
@@ -1,7 +1,7 @@
 #pragma once
 #include "../../library/contest/random.hpp"
-#include "../../library/graphs/scc/add_edges_strongly_connected.hpp"
-#include "../../library/graphs/scc/offline_incremental_scc.hpp"
+#include "../../library/graphs/strongly_connected_components/add_edges_strongly_connected.hpp"
+#include "../../library/graphs/strongly_connected_components/offline_incremental_scc.hpp"
 void scc_asserts(const vector<vector<int>>& adj) {
   int n = sz(adj);
   auto [num_sccs, scc_id] = sccs(adj);