Mr. Osomatsu/おそ松さん Crossovers
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So Many Chance Meetings by hopefulheart108
Maybe we shouldn't separate from each others' lives, right?
Crossover - Vocaloid & Mr. Osomatsu/おそ松さん - Rated: T - English - Romance/Friendship - Chapters: 5 - Words: 7,211 - Favs: 2 - Follows: 2 - Updated: 7/9 - Published: 12/7/2020 - [Meiko S., Osomatsu M.] [Kaito S., Karamatsu M.]
I want to be a hero by UnaServilleta
Osomatsu y Karamatsu Matsuno, dos hermanos que aspiran a se héroes entran a la UA, la escuela de héroes más prestigiosa de Japón (Esta historia también está en Wattpad)
Crossover - My Hero Academia/僕のヒーローアカデミア & Mr. Osomatsu/おそ松さん - Rated: M - Spanish - Sci-Fi/Humor - Chapters: 3 - Words: 1,744 - Published: 6/27/2021 - Izuku M., Katsuki B., Karamatsu M., Osomatsu M.
Pippi Promise by Pre-Animation Man
Todomatsu Matsuno lives an ordinary life with his five brothers. However, one day he finds a beautiful pony by the name of Pippi Longstocking, who came into his dimension by accident. The two hit it off well, but Pippi Longstocking's presence in his world sets off a terrible tragedy for the Matsuno brothers...
Crossover - Mr. Osomatsu/おそ松さん & Pippi Longstocking - Rated: M - English - Chapters: 1 - Words: 7,213 - Published: 4/5/2021 - Todomatsu M., Pippi L. - Complete
The World's Most Beautiful Love Story Ever by hopefulheart108
Warning: Purposefully bad writing made out of pure boredom. Please read at your own risk. Crack.
Crossover - Vocaloid & Mr. Osomatsu/おそ松さん - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 1,936 - Published: 12/6/2020 - [Meiko S., Osomatsu M.] Miku H., Totoko - Complete
Reincarnation by Boku wa Uzu reviews
my first english fanfic and I'm not very good at english, so I'm sorry if there any wrong or bad grammar... This is a story about Edd and his friends being reincarnated into osomatsu-san world... Special thanks to my instagram friend @nopenopeblah for this amazing cover picture
Crossover - Eddsworld & Mr. Osomatsu/おそ松さん - Rated: K - English - Family/Friendship - Chapters: 2 - Words: 2,750 - Reviews: 3 - Favs: 4 - Follows: 4 - Updated: 7/30/2019 - Published: 12/9/2018 - Tord, Osomatsu M.
Don't Starve, Osomatsu-san by DragonFruitKiss reviews
Story of how Matsuno sextuplets end up in the world of Don't Starve. How will the brothers survive in the wilderness where evil lurks in the darkness and everything is different from what they were used to. Adventure and brotherly moments. Understanding the story don't require knowing Don't Starve.
Crossover - Don't Starve & Mr. Osomatsu/おそ松さん - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 12 - Words: 68,081 - Reviews: 1 - Favs: 3 - Follows: 4 - Updated: 5/22/2019 - Published: 3/2/2018 - Osomatsu M., Choromatsu M., Ichimatsu M., Karamatsu M.
Six Same Facets by MiraMorioh reviews
Steven meets six gems with the same face. But this is different from usual... Inspired by Jigokuhana on tumblr.
Crossover - Steven Universe & Mr. Osomatsu/おそ松さん - Rated: T - English - Fantasy/Friendship - Chapters: 5 - Words: 5,918 - Reviews: 11 - Favs: 21 - Follows: 13 - Updated: 10/21/2018 - Published: 5/26/2017 - Steven U., Osomatsu M., Totoko - Complete
Trouble In Paradise by tokyoghoul234 reviews
It was a normal day for the Sextuplets...Until it wasn't. A mistake gone wrong leaves two of our favorite characters in for the adventure of a lifetime. With strange new bodies and a whole new reality, the eldest Matsunos must survive long enough until they can find a way to make it back home. Or A reason to rewatch Steven Universe and cause a whole bunch of chaos
Crossover - Steven Universe & Mr. Osomatsu/おそ松さん - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 2,655 - Reviews: 4 - Favs: 4 - Follows: 4 - Updated: 1/1/2018 - Published: 12/31/2017 - Steven U., Osomatsu M., Karamatsu M.
You Dont Actually Need to Separate Your Laundry by Colour by charmingstrangeness reviews
If You Use Cold Water During the Wash Cycle, You Don't Actually Need to Separate Your Laundry by Colour: a gintama x osomatsu crossover exploring the question – if the matsuno siblings were transplanted into the gintama universe, what, exactly, could possibly go wrong? [new fan friendly for both series - only requires knowledge of gintama up to ep25 & oso up to ep5]
Crossover - Gintama & Mr. Osomatsu/おそ松さん - Rated: T - English - Humor - Chapters: 4 - Words: 15,717 - Reviews: 2 - Favs: 6 - Follows: 4 - Updated: 12/19/2017 - Published: 10/7/2017
Aparelho enganchado by Rabbid Girl
Oneshot inspirado em história real. Uma corrida de cavalos. Dois grupos diferentes. Um esbarrão acidental. E um aparelho enganchando onde não deveria. O que pode surgir de tudo isso? Foi mal pela sinopse horrível. T por precaução, já que não sabia como classificar essa história.
Crossover - Gravity Falls & Mr. Osomatsu/おそ松さん - Rated: T - Portuguese - Humor - Chapters: 1 - Words: 557 - Published: 8/1/2017 - Mabel P., Osomatsu M., Choromatsu M. - Complete
Be grateful with what you've got by SparklyDreamz reviews
The Matsuno family are all Pokémon trainers with each a goal in mind. Every brother, except Ichimatsu. He doesn't know yet what he want in life yet, but what he does know is that it isn't this Pokémon he got. - Pokémon Crossover. Note: This was written before Pokémon Sun & Moon came out!
Crossover - Pokémon & Mr. Osomatsu/おそ松さん - Rated: T - English - Drama/Adventure - Chapters: 5 - Words: 19,379 - Reviews: 2 - Favs: 3 - Follows: 4 - Updated: 2/26/2017 - Published: 1/16/2017
Avatarmatsu: Nonbender Issue by ohtrouble reviews
La intervención de Osomatsu lleva a sus hermanos a involucrarse en un problema con los Igualitarios, ¿por qué demonios Osomatsu tenía que meterse en esos líos si era un no-maestro? -. [Avatar: The Legend of Korra - Osomatsu-san]
Crossover - Legend of Korra & Mr. Osomatsu/おそ松さん - Rated: T - Spanish - Adventure/Family - Chapters: 1 - Words: 1,147 - Reviews: 3 - Favs: 1 - Follows: 3 - Published: 2/20/2017 - Osomatsu M., Todomatsu M., Choromatsu M., Karamatsu M.
MatsuxReader Mutual Killing Game: Mononeko Mall! by TheCheeseCat reviews
You've woken up in what looks like an abandoned mall, only to find that you and 14 other people have been selected to participate in a mutual killing game by a cat named Mononeko. With the help of six identical brothers and a cast of others, will you be able to make it out of this place in one piece?
Crossover - Dangan Ronpa Kibou no Gakuen to Zetsubou no Koukousei & Mr. Osomatsu/おそ松さん - Rated: M - English - Mystery/Horror - Chapters: 8 - Words: 31,966 - Reviews: 2 - Favs: 7 - Follows: 6 - Updated: 10/6/2016 - Published: 9/28/2016 - Osomatsu M., Choromatsu M., Karamatsu M., OC - Complete
Los caminos del Senpai by MiriMaxwell reviews
Karamatsu quiere ser como Sakamoto, sólo que este no sabe que existe. Sin embargo, Karamatsu está seguro que lo logrará aunque sus hermanos ya no sepan que hacer con él y termine acosado por sus metidas de pata y uno que otro chico.
Crossover - Mr. Osomatsu/おそ松さん & Haven't You Heard? I'm Sakamoto/坂本ですが - Rated: K - Spanish - Humor/Friendship - Chapters: 4 - Words: 5,089 - Reviews: 9 - Favs: 7 - Follows: 9 - Updated: 8/5/2016 - Published: 5/29/2016 - Osomatsu M., Choromatsu M., Karamatsu M., Sakamoto
Ta'Rintih by araska reviews
Di dunia ini hanya ada dua macam manusia; yang satu ingin masa lalunya sirna ditelan bumi, dan yang satu lagi ingin selalu hidup di masa lalu. [For #YuumaFantasia Challenge] #DnC
Crossover - Assassination Classroom/暗殺教室 & Mr. Osomatsu/おそ松さん - Rated: M - Indonesian - Angst/Crime - Chapters: 3 - Words: 13,146 - Reviews: 4 - Favs: 5 - Follows: 1 - Updated: 5/21/2016 - Published: 5/9/2016 - Isogai Y., Osomatsu M. - Complete
Pemabuk by Rakshapurwa reviews
Isogai hanya ingin pemabuk itu pulang dengan tenang. Warning: Osomatsu x Isogai, Hint shounen-ai, dan OOC. Spesial untuk #Yuumafantasia
Crossover - Assassination Classroom/暗殺教室 & Mr. Osomatsu/おそ松さん - Rated: T - Indonesian - Humor - Chapters: 1 - Words: 1,620 - Reviews: 1 - Favs: 5 - Published: 5/7/2016 - Isogai Y., Osomatsu M. - Complete
His Karamatsu Girl by pococo reviews
She was jaded from their abandonment until one snowy day in December 6 years later when she meets a man that makes her smile once more. Or: Sawada Tsunako meets Matsuno Karamatsu who being who he is makes a total dork out of himself making her smile for the first time in 6 years and becomes a Karamatsu Girl. (Kara/Fem!Tsuna, Matsu!Elements)
Crossover - Katekyo Hitman Reborn! & Mr. Osomatsu/おそ松さん - Rated: T - English - Romance/Hurt/Comfort - Chapters: 3 - Words: 2,515 - Reviews: 32 - Favs: 134 - Follows: 139 - Published: 5/3/2016 - [Tsuna/Tsunayoshi S., Karamatsu M.]
Stranger Brother by lampion malam reviews
Jika ada orang lain yang masuk dalam hidup kita lalu menjadi… kakak angkat atau adik angkat, bagaimana?
Crossover - BoBoiBoy & Mr. Osomatsu/おそ松さん - Rated: T - Indonesian - Family - Chapters: 1 - Words: 1,383 - Reviews: 9 - Favs: 19 - Follows: 13 - Published: 1/9/2016