Summer Wars/サマーウォーズ Crossovers
Climb Every Mountain by OZ x OZ reviews
Trapped in the Death Game of Sword Art Online, Ikezawa Kazuma, one of the saviors during the Love Machine crisis and famed King Kazma of the OZ Fighting Circuit finds himself having to climb a new mountain. Will he survive?
Crossover - Summer Wars/サマーウォーズ & Sword Art Online/ソードアート・オンライン - Rated: T - English - Adventure - Chapters: 5 - Words: 36,220 - Reviews: 20 - Favs: 40 - Follows: 36 - Updated: 4/10 - Published: 12/31/2013 - Kazuma I., Kirito/Kazuto, Asuna, Silica
Summer wars x Sgt Frog- Let the game begin! by NowhereLove123
The leader of the platoon and the king of Oz must complete the challenge in order to save the world OR to let the aliens invade their planet. Hope you fav the story and please review, no violent/harm comments. No yaoi!
Crossover - Sgt. Frog/ケロロ軍曹 & Summer Wars/サマーウォーズ - Rated: K - English - Sci-Fi - Chapters: 2 - Words: 1,450 - Updated: 4/7 - Published: 3/23
Unlikely Idol by slr2moons reviews
The media frenzy around Kenji throws him into a surprising career path, all thanks to a certain company president. Kenji's first fan, Kazuma, watches his star rise with mixed feelings. Comedy. Slow burn Kazuma Kenji.
Crossover - Skip Beat! & Summer Wars/サマーウォーズ - Rated: T - English - Humor/Drama - Chapters: 2 - Words: 11,076 - Reviews: 4 - Favs: 1 - Follows: 1 - Updated: 3/27 - Published: 8/23/2013 - Lory, Kenji K., Kazuma I.
Spike's Dragon Wars by yugiohfan163 reviews
When Spike finds out about a great sight called OZ after feeling down about Twilight hanging with her friends, he will end up meeting with some unlikely people, while also possibly being the only who can save the world from a dark evil who wants to see it destroyed. Character designs are owned by Mauroz on deviantart. I suggest reading his comic in order to understand this.
Crossover - My Little Pony & Summer Wars/サマーウォーズ - Rated: T - English - Adventure - Chapters: 1 - Words: 2,362 - Reviews: 3 - Favs: 4 - Follows: 6 - Published: 12/30/2013 - Spike, Princess Luna/Nightmare Moon
Summer Maelstrom's by mousey45322 reviews
When timid eleventh-grader and math genius Kenji Koiso is asked by older student and secret crush Natsuki to come with her to her family's Nagano home for a summer job, he agrees without hesitation. There was only one problem, he had to watch a family freinds daughter, Uzumaki Naruto.
Crossover - Naruto & Summer Wars/サマーウォーズ - Rated: K+ - English - Adventure - Chapters: 1 - Words: 1,229 - Reviews: 7 - Favs: 11 - Follows: 15 - Published: 11/24/2013 - Naruko U., Kenji K., Natsuki S., Kazuma I.