Tokiko Tsukuyomi

Tokiko Tsukuyomi was the legal grandaunt of Tsukasa and Chitose. She was the minister of education, but she resigned a few days after Nasa and Tsukasa married. As for why she says she is worried about her health and she may no longer be involved in politics due to her age. She had great influence and power. Indeed, she easily tracks down Tsukasa's location while she was still living in Nasa's apartment. She can program in C.