The anime centers around a boy named Kouta Kouka (Kouka Kouta in Japanese name order, an apparent wordplay on Coca-Cola). Kouta strives to be the world's best Bottle King at the Bottle Battles in the virtual Drink World. He comes across his Bottleman partner Colamaru and then wages battles with various rivals. (Source: ANN)

Hiyori Hayama is an aspiring singer who moved to Tokyo to make her debut. She has always loved singing and hopes to stand on stage like her favorite artist. Unfortunately, the entertainment industry is not all fun and games, as she fails her auditions one after another and struggles to sell her songs. Finding herself still standing at the start line, Hiyori pursues her only opportunity to take the next step forward—partaking in Extreme Hearts. The popular event is a Hyper Sports tournament where participants compete in various sports using ability-enhancing gear for a chance to make their big break. Despite being athletic, however, Hiyori's lack of familiarity with Hyper Sports poses a problem for her. Fortunately, she befriends girls experienced in different sports, and they join the tournament alongside Hiyori, hoping to see her rise to the top. Now playing under Team RISE, Hiyori and her teammates learn about the unspoken rule of Extreme Hearts—all competitors must be entertainers or aspire to be one. For the members of Team RISE, facing the competition head-on is an inspiring endeavor that paves the way to discovering newfound interests and everlasting friendships.

Second season of Hiiro no Kakera.

Ryuunosuke Natsume is the son of genius inventor Kyusaku Natsume and overbearing Akiko Natsume, CEO of Mishima Heavy Industries. Using funds from his wife's company and the brain from his son's beloved cat, Kyusaku creates a revolutionary android called Atsuko "Nuku Nuku" Natsume. To Kyusaku's disgust, Akiko wants to use her husband's technology to create weaponized robots for her company's customers, resulting in Ryuunosuke getting caught within the explosive fights between his parents The android Nuku Nuku tries to live as a normal high school student, adopting the role of Ryuunosuke's elder sister, but usually ends up acting as her family's protector. Nuku Nuku will do anything to protect the ones she loves.