NIJIYON ANIMATION: Yu and the School Idol

Unaired episodes 13-15, included in the NIJIYON ANIMATION Blu-ray box.

Kasumi, Shizuku, Karin, Ai, Kanata, Emma, Setsuna, Rina, Shioriko, Mia, Lanzhu, and Ayumu all tell Yu how much they love her.

(Source: Crunchyroll, edited)