[3] "Secret Base (Kimi ga Kureta Mono)" reached #2 on the Oricon Weekly Singles Chart.

[5] position Voice actresses Asami Shimoda, Kana Asumi, Mako, Satomi Akesaka, Youko Honda, and Yu Kobayashi (collectively known as the supergroup "Friends") performed a version of the song, serving as the first end theme of the 2008 anime series Kyō no Go no Ni.

Voice actresses Ai Kayano, Haruka Tomatsu, and Saori Hayami released two cover versions of "Secret Base (Kimi ga Kureta Mono)" as a CD single on April 27, 2011, one as a "10 Years After ver."

"[7] The song served as the ending theme for the anime series Anohana: The Flower We Saw That Day and the three were credited their characters: Meiko Honma, Naruko Anjo, and Chiriko Tsurumi.

[7][8] In 2015, Silent Siren released a cover version as the B-side to their single "Hachigatsu no Yoru", which was used as the theme song for the live-action television drama adaptation of Anohana: The Flower We Saw That Day.