What is the most successful song from the album “Amami No Uta Asobi Rikki No Kuro Usagi Haneta” by Rikki?

In what year was the album “Amami No Uta Asobi Rikki No Kuro Usagi Haneta” released by Rikki?: The album “Amami No Uta Asobi Rikki No Kuro Usagi Haneta” was released in 2017 by Rikki, featuring 13 tracks.
What is the most successful song from the album “Amami No Uta Asobi Rikki No Kuro Usagi Haneta” by Rikki?: “” is the biggest hit from the album “Amami No Uta Asobi Rikki No Kuro Usagi Haneta” by Rikki.

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