Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai. ED
(We Still Don’t Know the Name of the Flower We Saw That Day.)
“secret base ~Kimi ga Kureta Mono~ (10 years after ver.) (secret base ~君がくれたもの~ (10 years after Ver.))” by Ai Kayano, Haruka Tomatsu, and Saori Hayami
used as ED for episode 1 – 11.
“Secret base” is beautifully sang by Ai, Haruka, and Saori. You will know what I mean if you just watch this ending once..