diff --git a/kifu/ffi/kifu-wasm/Cargo.lock b/kifu/kifu-pwa/core/Cargo.lock
similarity index 100%
rename from kifu/ffi/kifu-wasm/Cargo.lock
rename to kifu/kifu-pwa/core/Cargo.lock
diff --git a/kifu/ffi/kifu-wasm/Cargo.toml b/kifu/kifu-pwa/core/Cargo.toml
similarity index 100%
rename from kifu/ffi/kifu-wasm/Cargo.toml
rename to kifu/kifu-pwa/core/Cargo.toml
diff --git a/kifu/ffi/kifu-wasm/src/lib.rs b/kifu/kifu-pwa/core/src/lib.rs
similarity index 100%
rename from kifu/ffi/kifu-wasm/src/lib.rs
rename to kifu/kifu-pwa/core/src/lib.rs