diff --git a/Makefile b/Makefile
index 82007a8..741f301 100644
--- a/Makefile
+++ b/Makefile
@@ -6,25 +6,25 @@ PREFIX ?= /usr/local
 BINDIR ?= bin
 MANDIR ?= share/man
 
-all: soju sojuctl doc/soju.1
+all: suika suikactl doc/suika.1
 
-soju:
-	$(GO) build $(GOFLAGS) ./cmd/soju
-sojuctl:
-	$(GO) build $(GOFLAGS) ./cmd/sojuctl
-soju-znc-import:
-	$(GO) build $(GOFLAGS) ./cmd/soju-znc-import
-doc/soju.1: doc/soju.1.scd
-	$(SCDOC) <doc/soju.1.scd >doc/soju.1
+suika:
+	$(GO) build $(GOFLAGS) ./cmd/suika
+suikactl:
+	$(GO) build $(GOFLAGS) ./cmd/suikactl
+suika-znc-import:
+	$(GO) build $(GOFLAGS) ./cmd/suika-znc-import
+doc/suika.1: doc/suika.1.scd
+	$(SCDOC) <doc/suika.1.scd >doc/suika.1
 clean:
-	$(RM) -f soju sojuctl doc/soju.1
+	$(RM) -f suika suikactl doc/suika.1
 install:
 	mkdir -p $(DESTDIR)$(PREFIX)/$(BINDIR)
 	mkdir -p $(DESTDIR)$(PREFIX)/$(MANDIR)/man1
-	mkdir -p $(DESTDIR)/etc/soju
-	mkdir -p $(DESTDIR)/var/lib/soju
-	cp -f soju sojuctl $(DESTDIR)$(PREFIX)/$(BINDIR)
-	cp -f doc/soju.1 $(DESTDIR)$(PREFIX)/$(MANDIR)/man1
-	[ -f $(DESTDIR)/etc/soju/config ] || cp -f config.in $(DESTDIR)/etc/soju/config
+	mkdir -p $(DESTDIR)/etc/suika
+	mkdir -p $(DESTDIR)/var/lib/suika
+	cp -f suika suikactl $(DESTDIR)$(PREFIX)/$(BINDIR)
+	cp -f doc/suika.1 $(DESTDIR)$(PREFIX)/$(MANDIR)/man1
+	[ -f $(DESTDIR)/etc/suika/config ] || cp -f config.in $(DESTDIR)/etc/suika/config
 
-.PHONY: soju sojuctl soju-znc-import clean install
+.PHONY: suika suikactl suika-znc-import clean install
diff --git a/README.md b/README.md
index a31f978..ce51f73 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,6 @@
-# [soju]
+# suika
 
-[![builds.sr.ht status](https://builds.sr.ht/~emersion/soju/commits.svg)](https://builds.sr.ht/~emersion/soju/commits?)
-
-A user-friendly IRC bouncer.
+A user-friendly IRC bouncer. Hard-fork of the 0.3 series of [soju](https://soju.im), named after [Suika Ibuki](https://en.touhouwiki.net/wiki/Suika_Ibuki) from [Touhou 7.5: Immaterial and Missing Power](https://en.touhouwiki.net/wiki/Immaterial_and_Missing_Power)
 
 - Multi-user
 - Support multiple clients for a single user, with proper backlog
@@ -10,11 +8,6 @@ A user-friendly IRC bouncer.
 - Support connecting to multiple upstream servers via a single IRC connection
   to the bouncer
 
-## Usage
-
-* [Getting started]
-* [Man page]
-
 ## Building and installing
 
 Dependencies:
@@ -27,27 +20,16 @@ Dependencies:
 For end users, a `Makefile` is provided:
 
     make
-    sudo make install
+    doas make install
 
-For development, you can use `go run ./cmd/soju` as usual.
+For development, you can use `go run ./cmd/suika` as usual.
 
 To link with the system libsqlite3, set `GOFLAGS="-tags=libsqlite3"`.
 
-## Contributing
-
-Send patches on the [mailing list] or on [GitHub], report bugs on the
-[issue tracker]. Discuss in [#soju on Libera Chat][IRC channel].
-
 ## License
 
 AGPLv3, see LICENSE.
 
 Copyright (C) 2020 The soju Contributors
+Copyright (C) 2023-present Aoi K.
 
-[soju]: https://soju.im
-[Getting started]: doc/getting-started.md
-[Man page]: https://soju.im/doc/soju.1.html
-[mailing list]: https://lists.sr.ht/~emersion/soju-dev
-[GitHub]: https://github.com/emersion/soju
-[issue tracker]: https://todo.sr.ht/~emersion/soju
-[IRC channel]: ircs://irc.libera.chat/#soju
diff --git a/cmd/soju-znc-import/main.go b/cmd/suika-znc-import/main.go
similarity index 99%
rename from cmd/soju-znc-import/main.go
rename to cmd/suika-znc-import/main.go
index a865516..02cf08a 100644
--- a/cmd/soju-znc-import/main.go
+++ b/cmd/suika-znc-import/main.go
@@ -12,8 +12,8 @@ import (
 	"strings"
 	"unicode"
 
-	"git.chaotic.ninja/koizumi.aoi/soju-retro"
-	"git.chaotic.ninja/koizumi.aoi/soju-retro/config"
+	"git.chaotic.ninja/koizumi.aoi/suika"
+	"git.chaotic.ninja/koizumi.aoi/suika/config"
 )
 
 const usage = `usage: soju-znc-import [options...] <znc config path>
diff --git a/cmd/soju/main.go b/cmd/suika/main.go
similarity index 98%
rename from cmd/soju/main.go
rename to cmd/suika/main.go
index cdb1c8d..ea49a68 100644
--- a/cmd/soju/main.go
+++ b/cmd/suika/main.go
@@ -22,8 +22,8 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 
-	"git.chaotic.ninja/koizumi.aoi/soju-retro"
-	"git.chaotic.ninja/koizumi.aoi/soju-retro/config"
+	"git.chaotic.ninja/koizumi.aoi/suika"
+	"git.chaotic.ninja/koizumi.aoi/suika/config"
 )
 
 // TCP keep-alive interval for downstream TCP connections
diff --git a/cmd/sojuctl/main.go b/cmd/suikactl/main.go
similarity index 97%
rename from cmd/sojuctl/main.go
rename to cmd/suikactl/main.go
index 003aae4..64aa160 100644
--- a/cmd/sojuctl/main.go
+++ b/cmd/suikactl/main.go
@@ -9,8 +9,8 @@ import (
 	"log"
 	"os"
 
-	"git.chaotic.ninja/koizumi.aoi/soju-retro"
-	"git.chaotic.ninja/koizumi.aoi/soju-retro/config"
+	"git.chaotic.ninja/koizumi.aoi/suika"
+	"git.chaotic.ninja/koizumi.aoi/suika/config"
 	"golang.org/x/crypto/bcrypt"
 	"golang.org/x/crypto/ssh/terminal"
 )
diff --git a/go.mod b/go.mod
index b355277..e6a4538 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module git.chaotic.ninja/koizumi.aoi/soju-retro
+module git.chaotic.ninja/koizumi.aoi/suika
 
 go 1.15
 
diff --git a/server.go b/server.go
index 78a7f83..b86c027 100644
--- a/server.go
+++ b/server.go
@@ -19,7 +19,7 @@ import (
 	"gopkg.in/irc.v3"
 	"nhooyr.io/websocket"
 
-	"git.chaotic.ninja/koizumi.aoi/soju-retro/config"
+	"git.chaotic.ninja/koizumi.aoi/suika/config"
 )
 
 // TODO: make configurable