Seikai wa Hitotsu! Janai!!

There's Only One Correct Answer! There Isn't!! (正解はひとつ!じゃない!!) is a song covered by Happy Around!. It was originally performed by and serves as the opening theme song for the first season of Tantei Opera Milky Holmes.

To celebrate the 11th anniversary of Milky Homes, this song was added into D4DJ Groovy Mix on February 6, 2021 together with the original version of Ameagari no Mirai.

Lyrics
Kanji= • •  •

Romaji= • •  •

English= • •  •

Live Performances

 * December 13, 2020: "Happy Around! 1st LIVE Minna ni Happy Are♪"
 * January 30, 2021: ANIMAX MUSIX 2021 ONLINE supported by U-NEXT
 * May 29, 2021: D4DJ D4 FES. -Be Happy- REMIX
 * July 22, 2021: Happy Around! ONLINE LIVE SEIFUKU Disco!

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正確答案！不只一個！！