These are the first Tamagotchis to mate and reproduce! Osutchi (a male) and Mesutchi (a female) physically connect to one another by contacts on the top of the devices. When they are adults, they meet and do a mating dance, and after a moment, they produce two eggs that will hatch into a new generation ot pets.

Although two devices (a male and a female) are required to perpetuate the species, Osutchi and Mesutchi were sold separately.