She is a former second-generation member and the leader of the Japanese idol pop group Angerme.
Pro Egg member alongside Mizuki Fukumura and Rie Kaneko.
Project 2011 Summer concerts, Takeuchi as well as Kana Nakanishi, Fuyuka Kosuga, Rina Katsuta and Meimi Tamura were announced as sub-members of S/mileage.
[3] On October 16, at the launch event of S/mileage's seventh single "Tachiagirl", Tsunku announced the sub-members' promotion to official members of the group.
Project and Satoyama movement unit Harvest with Morning Musume members Erina Ikuta, Ayumi Ishida, and Masaki Satō.