Pallas5 — http://www.pixiv.net/member.php?id=654400

Also known as Pallas-Quartetto

Chihaya Miki The Idolmaster Doujin released Feb 23 '13 Chihaya x Miki Yuri

Finé's Group Is in a Friendly Love Triangle Senki Zesshou Symphogear Doujin released Sep 13 '13 Comedy Kirika x Shirabe Love triangle Maria x Shirabe Yuri

Practice is the life of an idol! Aikatsu! Doujin released Jan 17 '17 Cheating Mahiru x Rola Yuri