Hello Sweet Days is a lovely video game where players can enjoy playing with the Sanrio universe characters. So, you can visit Hello Kitty in her cake store, play with Pompompurin, hang out with Gudetama, and lots more.

The gameplay in Hello Sweet Days is as follows: when you start the game for the first time, you can create a character by choosing from various different available templates. After naming them, you can start enjoying this Sanrio character-filled world. From your home, you can focus on tasks like watering plants, relaxing, taking a bath or reading, but if you go into the city, you can start spending time with this lovely world's inhabitants and discover the adventures waiting for you.