I wish she'd lay off the Camp franchise.
Notes: Both versions of the Centaur ED would have the same rank, so I put the slightly better one.
Centaur no Nayami EP 9 ED: "Edelweiss (English Version)" by Asaka
Heya Camp△ ED 1: "The Sunshower" by Asaka
Higurashi no Naku Koro ni Gou OP 1: "I believe what you said" by Asaka
Island ED 1: "Eternal Star" by Asaka
Island ED 2: "Marine SNOW" by Asaka
Kono Yo no Hate de Koi wo Utau Shoujo YU-NO OP 1: "Kono Yo no Hate de Koi wo Utau Shoujo" by Asaka
Kono Yo no Hate de Koi wo Utau Shoujo YU-NO ED 2: "Kami no Suushiki" by Asaka
Naka no Hito Genome [Jikkyouchuu] EP 9 IN: "Code "Genius"?" by Asaka
Occultic;Nine ED 1: "Open your eyes" by Asaka
Shikizakura OP 1: "BELIEVE MYSELF" by Asaka
Yuru Camp△ OP 1: "SHINY DAYS" by Asaka
Yuru Camp△ Season 2 OP 1: "Seize The Day" by Asaka
Yuru Camp△ Season 2 EP 7 IN: "Kono Basho de." by Okunai Katsudou Circle (Asaka)