After seeing Izumi fawn over Ryusuke's extended blues session, Koyuki is determined to practice like a madman on the dusty old acoustic guitar Ryusuke gives him. Later at a bar, Ryusuke suggests a tryout for a position in his new band between Koyuki and potential singer Chiba, a fiery hot-head. When Koyuki begins learning and practicing for this duel, he winds up joining a Beatles cover band that is partaking in a Battle of the Bands festival. Koyuki nervously joins, as the loser will be forced to strip naked! When Maho tags along for the festival, will the night end in steamy skinny-dipping action between Maho and Koyuki?

Yukio Tanaka
Yukio is a completely average 14-year-old boy, nicknamed "Koyuki." His life has been pretty dull... But everything changes when he meets Beck! No, not the famous singer, but a patchwork, Frankenstein-looking dog. Beck's owner, Ryusuke, changes Koyuki's life forever. Soon, Koyuki becomes a budding musician in a band called BECK!

Ryusuke Minami
Ryusuke has played in various underground rock bands. He's cool and edgy, and Koyuki is in awe of him--both as a persona and as a musician. He's responsible for Koyuki's newfound interest in music.

Izumi
Yukio has had a crush on Izumi since they were in elementary school. She's cute and sweet, and she gave him the nickname "Koyuki." She's into rock music, and because of her, Koyuki delves deeper into the world of music.

Beck
Ryusuke's loyal, stiched-together dog. He's the glue that stuck everyone together.

Tanabe
Koyuki's trouble-making school friend.

Harold Sakuishi is one of Japan's most talented creators. His knack for three-dimensional characters and incredibly detailed artwork (take a look at the musical intruments in Beck!) have made his books -- Gorillaman, Bakaichi, and Stopper Busujima -- quite popular.