Radio-tan Decimal (season 2)

Radio-tan Decimal is the second season of the Radio-tan series. It's about the magical story of the attentive Cute Decimal, and the new character, Natural Numeral. The picture of the scene from the episode, "Natural Integer Is Here!?", is about DYXL-tan, Cute Decimal, and Natural Numeral, and the meeting of Natural Integer (her unknown appearance).