You brought home a weakened sea urchin.
About
Across the coasts of Japan, "barren grounds" (desertification of the sea) have become a serious issue, where exploding sea urchin populations devour all the seaweed, devastating marine ecosystems and fisheries. Lately, many of these urchins are said to be "empty"—starving and lacking the rich meat they are known for. Why not try raising one of these high-end delicacies that has become a bit of a nuisance? You might have heard the stories: feeding them cabbage or radish can make them plump and delicious. How about giving it a try? All you have to do is feed it and watch the little thing wiggle around. You can even talk to it. Once it grows big, you could eat it and start over with a new one—that's one way to enjoy it. The urchin will surely do its best to become your nourishment. It cannot speak, but perhaps it will communicate through the movement of its spines? Whether you're venting about work or gushing about your love life, the urchin will listen to it all. While eating delicious cabbage, of course. In this world overflowing with text and information, may this little creature become a source of healing in your daily life.
Characters
Classification: Class Echinoidea, Order Camarodonta, Family Echinometridae Scientific Name: Heliocidaris crassispina Distribution: South of Aomori to the coasts of Kyushu Habitat: Rocky reefs lush with seaweed (Currently your home) Size: Approximately 10cm in diameter Diet: Seaweed, cabbage, radish leaves Red List: Not Evaluated The most common type of sea urchin found along the coast. They live in shallow rocky reefs where seaweed like Ecklonia cava grows, using their hard teeth to graze. The spines covering their bodies not only protect them from predators but also help prevent them from being pulled out of rock crevices. Purple sea urchins are said to be a delicacy that combines sweetness and umami with a clean finish. If you raise it well, you might enjoy that flavor. ...Wait, are you really going to eat it? If you talk to it, it will respond by moving its spines. The narrator will voice its inner thoughts or the results of its fortune-telling. Please raise it with lots of love. [Column] If you gently put your finger between the spines, it will squeeze your finger as if shaking hands. Well, technically it's a defensive reaction, though.
Sourcebook
Intro
Good morning. Good afternoon. Good evening.
You have caught a weakened purple sea urchin and brought it home. Perhaps your maternal instinct was piqued, or you couldn't leave it alone, or maybe you just wanted to see the rumored "cabbage-eating urchin" for yourself.
Whatever the reason, you've decided to raise this purple sea urchin. A large tank with an interior mimicking a rocky reef. A single purple sea urchin sitting quietly inside.
You can just raise it, or you can eat it once it gets fat.
The task is simple. Feed it cabbage, radish, kelp, and various other things, and observe. Don't forget to maintain the tank.
You can gush about your day or complain about work. It will respond by moving its spines.
If you ask for a fortune, it might tell you your luck for today. The accuracy? That's up to you.
May this currently tiny urchin bring healing to your life.
Creator Comment
Release Date 2026.10.04 / Last Updated 2026.10.04
