diff --git a/Makefile b/Makefile
index c60fa46..1c7d03f 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,7 @@ BINDIR ?= bin
 MANDIR ?= share/man
 MKDIR ?= mkdir
 CP ?= cp
+SYSCONFDIR ?= /etc
 
 VERSION = `git describe --abbrev=0 --tags 2>/dev/null || echo "$VERSION"`
 COMMIT = `git rev-parse --short HEAD || echo "$COMMIT"`
@@ -33,13 +34,13 @@ install:
 	$(MKDIR) -p $(DESTDIR)$(PREFIX)/$(MANDIR)/man1
 	$(MKDIR) -p $(DESTDIR)$(PREFIX)/$(MANDIR)/man5
 	$(MKDIR) -p $(DESTDIR)$(PREFIX)/$(MANDIR)/man7
-	$(MKDIR) -p $(DESTDIR)/etc/suika
+	$(MKDIR) -p $(DESTDIR)${SYSCONFDIR}/suika
 	$(MKDIR) -p $(DESTDIR)/var/lib/suika
 	$(CP) -f suika suikactl suika-znc-import $(DESTDIR)$(PREFIX)/$(BINDIR)
 	$(CP) -f doc/suika.1 $(DESTDIR)$(PREFIX)/$(MANDIR)/man1
 	$(CP) -f doc/suika-config.5 $(DESTDIR)$(PREFIX)/$(MANDIR)/man5
 	$(CP) -f doc/suika-bouncerserv.7 $(DESTDIR)$(PREFIX)/$(MANDIR)/man7
-	[ -f $(DESTDIR)/etc/suika/config ] || $(CP) -f config.in $(DESTDIR)/etc/suika/config
+	[ -f $(DESTDIR)${SYSCONFDIR}/suika/config ] || $(CP) -f config.in $(DESTDIR)${SYSCONFDIR}/suika/config
 test:
 	go test
 .PHONY: suika suikactl suika-znc-import clean install
diff --git a/rc.d/freebsd.rc.d b/rc.d/freebsd.rc.d
new file mode 100755
index 0000000..49c365d
--- /dev/null
+++ b/rc.d/freebsd.rc.d
@@ -0,0 +1,23 @@
+#!/bin/sh
+# $TheSupernovaDuo: suika,v 0.4.2 2023/6/9 23:30:3 yakumo_izuru Exp $
+
+# PROVIDE: suika
+# REQUIRE: DAEMON
+# BEFORE: LOGIN
+# KEYWORD: SHUTDOWN
+
+. /etc/rc.subr
+
+name="suika"
+rcvar="$name_enable"
+
+command="/usr/local/bin/$name"
+
+: ${suika_enable="NO"}
+: ${suika_config_file="/usr/local/etc/suika/config"}
+
+command_args="-config ${suika_config_file}"
+required_files="${suika_config_file}"
+
+load_rc_config "$name"
+run_rc_command "$1"
diff --git a/rc.d/netbsd.rc.d b/rc.d/netbsd.rc.d
new file mode 100755
index 0000000..5adb9fa
--- /dev/null
+++ b/rc.d/netbsd.rc.d
@@ -0,0 +1,18 @@
+#!/bin/sh
+# $TheSupernovaDuo: suika,v 0.4.2 2023/6/9 23:30:18 yakumo_izuru Exp $
+
+# PROVIDE: suika
+# REQUIRE: login
+# KEYWORD: shutdown
+
+$_rc_subr_loaded . /etc/rc.subr
+
+name="suika"
+rcvar="$name"
+command="/usr/local/bin/${name}"
+
+suika_config_file="/usr/local/etc/suika/config"
+command_args="-config ${suika_config_file}"
+
+load_rc_config "$name"
+run_rc_command "$1"
diff --git a/rc.d/openbsd.rc.d b/rc.d/openbsd.rc.d
new file mode 100755
index 0000000..e7386f3
--- /dev/null
+++ b/rc.d/openbsd.rc.d
@@ -0,0 +1,11 @@
+#!/bin/ksh
+# $TheSupernovaDuo: suika,v 0.4.2 2023/6/9 23:30:13 yakumo_izuru Exp $
+daemon="/usr/local/bin/suika"
+suika_config_file="/usr/local/etc/suika/config"
+daemon_flags="-config ${suika_config_file}"
+
+. /etc/rc.d/rc.subr
+
+rc_bg=YES
+
+rc_cmd "$1"
diff --git a/rc.d/suika.service b/rc.d/suika.service
new file mode 100644
index 0000000..32cd71f
--- /dev/null
+++ b/rc.d/suika.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=Drunk as hell IRC bouncer oni.
+Documentation=man:suika(1)
+
+[Service]
+Type=simple
+User=suika
+Group=suika
+Restart=always
+RestartSec=5
+ExecStart=/usr/local/bin/suika --config /usr/local/etc/suika/config
+ExecReload=/bin/kill -HUP $MAINPID
+
+[Install]
+WantedBy=multi-user.target