Baka Mitai (I've Been a Fool) (ばかみたい, Baka Mitai), originally titled Bakamitai, is a recurring karaoke song in the Like a Dragon series. It is first introduced in Yakuza 5 and is subsequently featured in Yakuza 0, Yakuza Kiwami, Yakuza: Like a Dragon, Like a Dragon: Ishin!, Like a Dragon Gaiden: The Man Who Erased His Name, and Like a Dragon: Infinite Wealth. It is sung by Kazuma Kiryu, Shun Akiyama, Taiga Saejima and Yu Nanba. An acoustic remix of the song titled Bakamitai -sorrow- (ばかみたい-哀愁-, Baka Mitai -Aishū-) is featured in Yakuza Kiwami and is sung by Kiryu. Like a Dragon: Ishin! features a remix titled Baka Mitai - Ishin Spec Edition, sang by Sakamoto Ryoma. The album Ryu ga Gotoku 5 Yume, Kanaeshi Mono Original Soundtrack (Vol. 2) features both a jazz arrangement of the song titled Baka Mitai [Jazz Version] and a duet of the full version of the song as sung by Saejima and Akiyama titled Baka Mitai ~feat. Saejima & Akiyama~. Later albums feature full versions of the song as sung by Kiryu, Bakamitai【Taxi Driver Edition】and its remix Bakamitai -sorrow- [Full Spec Edition].