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What is HibiTomo?

HibiTomo is a pocket-sized virtual-pet device — a cozy little world you can carry with you. It has a small color screen and just a handful of buttons (Left, Right, Confirm, Cancel, and Menu), and inside lives a creature that's yours to raise, one gentle day at a time.

Concept art of HibiTomo's egg selection

Every story starts with an egg. Over a 7-day cycle your pet grows from Egg to Baby to Young to Adult — and the adult it becomes depends entirely on how you care for it. Steady, thoughtful care builds a deep bond and unlocks rarer, more special forms; neglect leads somewhere else. No two playthroughs are quite the same, which means the creature you raise is truly, uniquely yours.

Two little worlds​

  • The Room — your pet's warm, top-down home. This is where you feed, bathe, heal, play with, and rest your pet, and where you decorate and make the space your own.
  • The Outside — a top-down world just beyond the door. Wander it with your pet, chat with the characters you meet, visit activity stands, and stumble onto small everyday surprises.

What you can do​

  • Care for your pet: feed it home-cooked dishes, tuck it into bed, give it a bath, offer medicine when it's under the weather, and keep its room tidy.
  • Grow & evolve: nurture your bond and guide your pet toward one of many possible adult forms.
  • Decorate the Room: earn coins and spend them in a rotating shop full of furniture to arrange just how you like.
  • Play minigames: farm and cook, fish, catch bugs, dig for buried treasure, and more — relaxed activities with a gentle tone.
  • Explore & collect: discover new creatures and fill out your gallery and Field Diary over time.

Coming soon: Custom Pets​

The signature feature we're building is Custom Pets — the ability to create your very own creatures (and furniture), then hatch, raise, evolve, and collect them just like the built-in ones. It's still in the works, but it's the heart of where HibiTomo is heading.

How this handbook is organized​

The rest of this guide walks through everything in plain terms:

  • Your Pet — daily care and how your creature feels.
  • Growth & Evolution — the 7-day cycle and the bond that shapes it.
  • The Room — making your home base cozy and yours.
  • The Overworld — exploring the world Outside.
  • Activities & Minigames — the farm-to-table loop, fishing, and more.
  • Collection & Field Diary — your gallery and encyclopedia.
  • Going Online — the companion website and friends.
  • Custom Pets — the upcoming create-your-own feature.
  • Roadmap — what's planned next.

Welcome in — your egg is waiting.