Boku no Taiyō' (僕の太陽^?, My sun) is Japanese idol group AKB48's seventh single, and the fifth major single released through DefSTAR Records, on August 8, 2007.

"Boku no Taiyō" was also the title of a series of stage performances from July 1, 2007 by Himawari gumi (ひまわり組^?, Sunflower group), an inter-group unit, as well as the signature song within its performances. "Boku no Taiyō" was released only 3 weeks after "Bingo!"'s release, video clip was filmed by Masaki Takehisa, the same director who filmed Morning Musume.'s video clip. "Boku no Taiyō" was selected as the second opening theme song of anime adaptation of the series Deltora Quest, broadcast through TV Aichi and TXN, includes TV Tokyo.

The B-side song, "Mirai no Kajitsu" (未来の果実^?, Fruit of the future), was also used as the theme song for KBC Kyushu Asahi Broadcasting's "Mizu to Midori no Campaign 2007" (水と緑のキャンペーン2007^?, Water and Green Campaign 2007), and they performed at a live concert event in Fukuoka, as a part of KBC's events. Mirai no Kajitsu is sung by 16 members, includes all 14 Senbatsu members of "Boku no Taiyō" and Yuka Masuda and Ayaka Umeda from Team K.

...
Wikipedia