diff --git a/splat.yaml b/splat.yaml
index ee0987b..7617629 100644
--- a/splat.yaml
+++ b/splat.yaml
@@ -403,7 +403,7 @@ segments:
       - [0x495E0, asm, "segment_obdata/_ob_abandoned_shape"]
       - [0x49820, asm, "segment_obdata/_ob_hardy_thrill"]
       - [0x49A30, asm, "segment_obdata/_ob_worthless_drawer"]
-      
+
       - [0x514B0, c, "segment_obdata/_ob_squeamish_mask"]
       - [0x5A030, c, "segment_obdata/_ob_utopian_queen"]
       - [0x5AFF0, c, "segment_obdata/_ob_pithy_collar"]
@@ -467,14 +467,14 @@ segments:
     symbol_name_format: overlay_66E10_$VRAM_$ROM
     exclusive_ram_id: test_overlapping
     subsegments:
-      - [0x66E10, asm, "ob_modern_notebook"]
-      - [0x67570, asm, "ob_disagreeable_flowers"]
-      - [0x680F0, asm, "ob_depressed_birth"]
+      - [0x66E10, c, "ob_modern_notebook"]
+      - [0x67570, c, "ob_disagreeable_flowers"]
+      - [0x680F0, c, "ob_depressed_birth"]
       
       - [0x694B0, data]
       
-      - [0x69610, rodata, "ob_modern_notebook"]
-      - [0x69790, rodata, "ob_disagreeable_flowers"]
+      - [0x69610, .rodata, "ob_modern_notebook"]
+      - [0x69790, .rodata, "ob_disagreeable_flowers"]
 
       - { start: 0x69900, type: bss, vram: 0x8019A660 }
 
diff --git a/src/overlay_66E10/ob_depressed_birth.c b/src/overlay_66E10/ob_depressed_birth.c
new file mode 100644
index 0000000..660d9ab
--- /dev/null
+++ b/src/overlay_66E10/ob_depressed_birth.c
@@ -0,0 +1,23 @@
+#include "common.h"
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_80198E50_680F0);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_80198FC8_68268);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_80199110_683B0);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_8019951C_687BC);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_80199568_68808);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_8019974C_689EC);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_8019994C_68BEC);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_801999E8_68C88);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_80199D10_68FB0);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_8019A088_69328);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_depressed_birth", func_overlay_66E10_8019A1DC_6947C);
diff --git a/src/overlay_66E10/ob_disagreeable_flowers.c b/src/overlay_66E10/ob_disagreeable_flowers.c
new file mode 100644
index 0000000..13403ff
--- /dev/null
+++ b/src/overlay_66E10/ob_disagreeable_flowers.c
@@ -0,0 +1,19 @@
+#include "common.h"
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_disagreeable_flowers", func_overlay_66E10_801982D0_67570);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_disagreeable_flowers", func_overlay_66E10_80198360_67600);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_disagreeable_flowers", func_overlay_66E10_801985A4_67844);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_disagreeable_flowers", func_overlay_66E10_801988A8_67B48);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_disagreeable_flowers", func_overlay_66E10_80198B04_67DA4);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_disagreeable_flowers", func_overlay_66E10_80198C7C_67F1C);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_disagreeable_flowers", func_overlay_66E10_80198D08_67FA8);
+
+INCLUDE_RODATA(const s32, "overlay_66E10/ob_disagreeable_flowers", D_overlay_66E10_8019A63C_698DC);
+
+INCLUDE_RODATA(const s32, "overlay_66E10/ob_disagreeable_flowers", D_overlay_66E10_8019A64C_698EC);
diff --git a/src/overlay_66E10/ob_modern_notebook.c b/src/overlay_66E10/ob_modern_notebook.c
new file mode 100644
index 0000000..50f9847
--- /dev/null
+++ b/src/overlay_66E10/ob_modern_notebook.c
@@ -0,0 +1,13 @@
+#include "common.h"
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_modern_notebook", func_overlay_66E10_80197B70_66E10);
+
+INCLUDE_RODATA(const s32, "overlay_66E10/ob_modern_notebook", D_overlay_66E10_8019A370_69610);
+
+INCLUDE_RODATA(const s32, "overlay_66E10/ob_modern_notebook", D_overlay_66E10_8019A388_69628);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_modern_notebook", func_overlay_66E10_80197E3C_670DC);
+
+INCLUDE_ASM(const s32, "overlay_66E10/ob_modern_notebook", func_overlay_66E10_80198080_67320);
+
+INCLUDE_RODATA(const s32, "overlay_66E10/ob_modern_notebook", D_overlay_66E10_8019A4DC_6977C);