Kenji, Asakura, and Oota are an apathetic trio of school friends, notorious for often beating up fellow delinquents without reason. Tired of the mundane fights that once provided the group with temporary adrenaline, Kenji looks for an alternative source by starting a band on a whim. Enlisting the rest of his gang, he picks up the bass, with Oota on the guitar and Asakura on the drums. Despite having no prior experience playing musical instruments, their first session far exceeds their expectations. Ongaku is the raw depiction of three teenage boys from the moment they discover the beauty of making music to their first live performance that turns a simple cure for boredom into a fiery expression of passion.

Hana, a hard-working college student, falls in love with a mysterious man who attends one of her classes though he is not an actual student. As it turns out, he is not truly human either. On a full moon night, he transforms, revealing that he is the last werewolf alive. Despite this, Hana's love remains strong, and the two ultimately decide to start a family. Hana gives birth to two healthy children—Ame, born during rainfall, and Yuki, born during snowfall—both possessing the ability to turn into wolves, a trait inherited from their father. All too soon, however, the sudden death of her lover devastates Hana's life, leaving her to raise a peculiar family completely on her own. The stress of raising her wild-natured children in a densely populated city, all while keeping their identity a secret, culminates in a decision to move to the countryside, where she hopes Ame and Yuki can live a life free from the judgments of society. Wolf Children is the heartwarming story about the challenges of being a single mother in an unforgiving modern world.

Maeda has just moved into his new apartment to live by himself. While unpacking, a cute middle school student named Chie Satonaka suddenly appears in his room. She introduces herself as his new landlord, which pleasantly surprises him as he has never seen a landlord so young. His excitement is boosted further when the gorgeous Reiko Shirai, who lives directly next to him, also introduces herself as his new neighbor. Ooyasan wa Shishunki! follows the everyday lives of Maeda and his newfound acquaintances, where each day presents itself as an opportunity for new events to unfold and new bonds to be forged.