Tightly clutching his Gibson guitar, Mafuyu Satou steps out of his dark apartment to begin another day of his high school life. While taking a nap in a quiet spot on the gymnasium staircase, he has a chance encounter with fellow student Ritsuka Uenoyama, who berates him for letting his guitar's strings rust and break. Noticing Uenoyama's knowledge of the instrument, Satou pleads for him to fix it and to teach him how to play. Uenoyama eventually agrees and invites him to sit in on a jam session with his two band mates: bassist Haruki Nakayama and drummer Akihiko Kaji. Satou's voice is strikingly beautiful, filling Uenoyama with the determination to make Satou the lead singer of the band. Though reticent at first, Satou takes the offer after an emotional meeting with an old friend. With the support of his new friends, Satou must not only learn how to play guitar, but also come to terms with the mysterious circumstances that led him to be its owner.

Mirai Kuriyama is the sole survivor of a clan of Spirit World warriors with the power to employ their blood as weapons. As such, Mirai is tasked with hunting down and killing "youmu"—creatures said to be the manifestation of negative human emotions. One day, while deep in thought on the school roof, Mirai comes across Akihito Kanbara, a rare half-breed of youmu in human form. In a panicked state, she plunges her blood saber into him only to realize that he's an immortal being. From then on, the two form an impromptu friendship that revolves around Mirai constantly trying to kill Akihito, in an effort to boost her own wavering confidence as a Spirit World warrior. Eventually, Akihito also manages to convince her to join the Literary Club, which houses two other powerful Spirit World warriors, Hiroomi and Mitsuki Nase. As the group's bond strengthens, however, so does the tenacity of the youmu around them. Their misadventures will soon turn into a fight for survival as the inevitable release of the most powerful youmu, Beyond the Boundary, approaches. [Written by MAL Rewrite]

After gaining the title of the strongest warrior in the world, Peter Grill has finally proven his worth and is ready to take the hand of his beloved senior, the beautiful and innocent Luvelia Sanctos. Peter expects to have a healthy relationship with her, despite some objections from her father. Unfortunately, this dream quickly breaks apart as news of his grand victory spreads among the womenfolk of other races—ogres, orcs, elves, and others—some of them even vying for his seed to produce offspring blessed with his might. To avoid betraying the trust of his cherished Luvelia and causing a scandal, Peter strives to avoid other women's salacious advances. However, accomplishing such a feat with so many alluring women on his trail is easier said than done. [Written by MAL Rewrite]

Accumulating an impressive series of victories with his AE86, Takumi Fujiwara has imposed himself as street racing's newest rising star. However, his newly found confidence of winning at his home turf of Mount Akina has been put in jeopardy by a new Emperor team exclusively using a car model favored by most professional racing pilots: the Mitsubishi four-wheel drive Lancer Evolutions—also known as Lan Evos. The Emperor team leader, Kyouichi Sudou, looks down on Takumi and regards him as an inferior pilot for driving an antique car that lacks the makings of a true modern race car. Kyouichi's elitist philosophy is also the reason why his team is only made of Lan Evo drivers. Will Takumi be able to keep his perfect track record intact against the highly skilled and mechanically superior Emperor team, or does his hot streak end here? [Written by MAL Rewrite]