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Nakayoshi Pet Series 4 - Kawaii Koneko (Japan)

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Nakayoshi Pet Series 4 - Kawaii Koneko (Japan)

Nakayoshi Pet Series 4 - Kawaii Koneko (Japan) - Simulation Classic

Compiled by the Retro Games Online Editorial Team · Updated June 27, 2026

Nakayoshi Pet Series 4 - Kawaii Koneko is a Japan-exclusive pet simulation game for the Game Boy Color. It's the fourth entry in the Nakayoshi Pet Series, which focused on raising cute animals. The game was likely released around 2000 or 2001 by an unknown publisher, fitting the trend of virtual pet games that were popular on handhelds at the time. If you've ever wanted a pocket-sized kitten companion, this is as close as it got on the GBC.

The core gameplay revolves around caring for your own virtual kitten. You feed it, clean up after it, play with it, and monitor its health and mood. The game uses a real-time clock to simulate a living schedule, so your kitten might need attention throughout the day. Interactions are menu-driven, with simple button inputs to select actions like feeding or playing mini-games. The goal is to keep your kitten happy and healthy as it grows.

Today, Nakayoshi Pet Series 4 - Kawaii Koneko is a niche title worth checking out if you enjoy early virtual pet games or have a soft spot for Japanese handheld exclusives. It doesn't reinvent the genre, but it's a competent example of digital pet ownership on a cartridge. Compared to Tamagotchi or the later Nintendogs, this one feels more straightforward and limited, but that simplicity has its own charm for collectors and retro enthusiasts.

How to Play Nakayoshi Pet Series 4 - Kawaii Koneko (Japan) Online

Getting Started

When you start the game, you'll be greeted with a Japanese menu screen. Press the A button (X key) to begin a new game. You'll likely choose your kitten's name and maybe its color. After that, you'll see your kitten in a small room. The main screen shows its status (hunger, happiness, cleanliness) via icons or simple text. Use the D-Pad to navigate menu options like Feed, Play, Clean, or Sleep. The B button (S key) is used to cancel or back out.

The core loop is checking on your kitten regularly. You need to feed it when hungry, play with it when bored, and clean up after it to keep its environment tidy. The game runs in real time, so if you leave it alone too long, your kitten might get sick or run away. Pay attention to the status indicators. If you're unsure what a menu option says, looking at the icons (food bowl, toy, soap) can help. Use the Start (Enter) button to pause the game when needed.

Because the game is entirely in Japanese, memorizing the menu layout after a few tries makes things easier. The gameplay is simple: keep your kitten happy and healthy, and it will grow through different life stages. There's no real end goal beyond maintaining its well-being. Just enjoy the virtual pet experience on your Game Boy Color.

Nakayoshi Pet Series 4 - Kawaii Koneko (Japan) Keyboard Controls

Controls

Arrow Keys: D-Pad / Movement
X: A button (jump / confirm)
S: B button (run / attack / cancel)
Enter: Start / Pause
V: Select

Frequently Asked Questions

Is there anything iconic or memorable about Nakayoshi Pet Series 4 - Kawaii Koneko?

It's one of the few dedicated kitten-raising sims on the Game Boy Color, and its cute, simple art style captures the charm of early digital pets. Being part of a Japan-exclusive series adds to its collector appeal, though it never achieved the fame of Tamagotchi.

Does Nakayoshi Pet Series 4 - Kawaii Koneko have a multiplayer or co-op mode?

No multiplayer or co-op features are present. This is a single-player pet simulation where you focus on caring for your own virtual kitten without any interaction with other players.

Is Nakayoshi Pet Series 4 - Kawaii Koneko exclusive to Game Boy Color or did it appear on other systems?

It appears to be a Game Boy Color exclusive. No known ports or versions exist for other platforms, making it a true handheld-only title from that era.