If you're looking for anime similar to K: Seven Stories Movie 1 - R:B ~Blaze~, you might like these titles.
Titans from outer space, life forms from a mystical world, phantoms and goblins from ancient times, cyborgs created by scientists, relics that rose out of the ruins of ancient civilizations. In another Japan, it's not just a question of “what if”—it's a reality. Some of the superhumans choose to keep their identities a secret, while others bask in their superhuman fame. Jirou Hitoyoshi, member of the Superhuman Bureau, keeps track of their doings.
Middle school student Tsuna has always gone through life in last place; but when he learns that he is getting a tutor to help him raise his game, he had no idea that his benefactor would turn out to be... an infant and a mafia hitman?! As if things can’t get much stranger, Tsuna then discovers that the powerful Vongola family has chosen him to be its next successor – a position that has control over all mafia families. Joined by friends Tsuna unwillingly starts out on his path to becoming a mafia boss – if he can survive the training!
The Headless Rider receives a mysterious red bag that creates big trouble. The Yakuza chase a gangster, and a wagon disappears on the highway, pursued by suspicious men in black suits. Mikado and his friends should be enjoying the summer festival, but have been swept up in the events. And, finally, a mysterious radiant object appears in the night sky over Ikebukuro...!?
All Tsuna wanted was to go on a regular school trip with Kyoko, but with Reborn as the organizer, nothing can be ordinary! Now on a two-day adventure across Japan filled with castle climbing and flying buses, will Tsuna and his friends survive the Vongola-style trip?!
Amane Todoroki is a young girl who is straightforward but also unthinking. She will try her very best in everything and say, "I don't know how to answer you if you ask me whether this can be done. I just believe it can. If not, then nothing will get started." She easily gets stuck in her thinking, but she can also get easily moved at something small and start crying.
Shuramaru thinks he is a normal human, until one day a group of strong fighters appear and Shuramaru's life is turned upside down, revealing a power he never knew he had.
Quon recalls the destruction of his village and feels regret and anger that he was unable to save the villagers and Towa. Using blueprints to the Custos Headquarters, the group set out to save Tei and Towa. Once inside, they face immediate danger.
With their home in jeopardy, some feel it is time to abandon the gardens. A new character steps in, one that Quon knows very well. The end is near, the players are set, and the final battle is about to begin!
The secret is out, and the Atractor's sanctuary has been revealed to the enemy. With Quon badly hurt, it's up to the rest to defend their homes, their lives, and their freedom.