About Us

Kacchako Week is a fandom event week focused on the ship Kacchako between Bakugou Katsuki and Uraraka Ochako from Boku no Hero Academia.It is an annual Event Week that has been feeding and uplifting the Kacchako fandom since 2018 where it originated on Tumblr as Kacchako Bittersweet Week.

You can see previous mods and prompts here.

The Event

Kacchako Week is eight (8) days from May 24th through May 31st, with the free day falling on Kacchako Day (May 29th).For those 8 days, daily prompts are released and creators are encouraged to share any artistic content they created specifically for or that relates to the prompts.

During the week, we will be retweeting any creations on Twitter and Bluesky following our guidelines that use the hashtag #KCHKWK25 or tag our account @KacchakoWeek.We will also have an open AO3 collection to archive content from the event. This AO3 collection will remain open even after the week ends so creations can be continue to be added.

You can see the current year's mods here and prompts here.

Moderators

Organizer / Graphics Admin

she / her

Organizer / Socials Admin

she / her

Prompts

Kacchako Week is an annual Event Week that has been feeding and uplifting the Kacchako fandom since 2018 where it originated on Tumblr as Kacchako Bittersweet Week.You can see previous mods and prompts here.

Day 1

Spy / Assassin AU | Monsterfucking

Secret Agents, Ninjas, Rogues, and the like! Partners? Enemies? Rivals? A spy and their handler?Monsterfucking but in what flavor? Werewolf? Tentacles? Any sort of inhuman species qualifies, no matter how humanoid they look!

Day 2

School & Social Media | Body Worship

College AU? Social Media storytelling format? Teachers or Students? Teacher AND Student? Celebrities and their bodyguards can also fit here!The study of erogenous zones—what are kacchako's favorite body parts to revere?

Day 3

Domestic Life | Quirk (Blank)

Domestic Life is anything to do with a relationship together! Moving in, children, getting married, first date, etc.There are all sorts of shenanigans that go with Quirks. An accident or a swap or an attack; it's all up to you.

Day 4

Soulmates | Forced Proximity

A fated person, the other half. Are they happy about it? Sad? Angry? In Denial?Can't escape from a crush? Forced partners or to share a room? Quirk gone wrong & now they're stuck together? How does kchk handle being in each other's space?

Day 5

Pro Hero / Villain | Praise Kink

Who doesn't love a good Pro Hero and/or Villain AU? Are they both heroes or villains? One of each? Do they join forces or destroy each other?They get those gooey insides when complimented. Do they fluster or try to play it cool?

Day 6

Free / Alternates Day

AKA KACCHAKO DAY!
For whatever you've got on the Kacchako brain! A day to celebrate and create however you want!

Day 7

Secret / Fake Situationship | Omegaverse (A/B/O)

Friends with benefits and trying to keep it quiet? Pretending to date to avoid a creep? Parents who wouldn't approve?Two betas, living their best life? Or an alpha and omega? Two alphas, defying expectations?

Day 8

Royalty / Fantasy AU | Anywhere But The Bed

A tried & true trope—the princess and her knight or a dragon and their mage. Maybe two adventurers meeting for the first or last time. Or a king searching for his queen, perhaps?Any surface works, as long as it's not the bed.😉

FAQ

How do I participate?

Follow these easy steps to participate in Kacchako Week!

Prompts will be posted three (3) months prior to May 24th, giving creators time to prepare however many prompts they’d like to share creations for.
Once prompts are released, start creating!
When Kacchako Week begins on May 24th, post your creations (or creation links) to Twitter or Bluesky on the corresponding day with our hashtag #KCHKWK25 and tag the account @KacchakoWeek.
Add your work to our AO3 collection!

And now you have successfully participated in Kacchako Week!

A Few Reminders For Posting on Twitter:

Please have your age in your bio—we will not retweet any accounts under 18 or missing an age in the bio.
NSFW content should be marked sensitive upon posting or we will not be able to retweet.
The initial tweet for all content should contain appropriate tags and trigger warnings.
Plagiarizing, tracing, reposting, and/or use of AI within your work will result in being blocked. All content posted should be original.

The account will only retweet SFW and NSFW content from accounts 18+. The AO3 collection is open to all participants.FOR MORE INFORMATION REGARDING THE EVENT, PLEASE VIEW THE FAQ BELOW.

What can I submit?

Fanfics, thread fics, fanart, comics, animations, drabbles, sketches, cosplays—anything as long as the creations are your own. If you have any questions about what's acceptable, ask away on our contact page!

How do the prompts work?

Feel free to choose as many or as few prompts for inspiration! Mix and match, combine, create for only the Sweet, or create for only the Spicy—whichever, and however, you want to participate is fine by us!

What if I can’t do all the prompts or I submit late?

You don’t have to do all the prompts during Kacchako Week!
Pick and choose your favorites.If you are determined to do all the prompts or lose track of time, no need to stress! The AO3 collection will stay open indefinitely for you to add your contribution, even if the event closes on social media. The Twitter and Bluesky accounts will retweet pieces until June 21st.

What counts as NSFW or adult content?

NSFW stands for Not Safe For Work and consists of any content that is considered inappropriate to be shared in a professional setting. If it would receive a Mature (M) or Explicit (E) rating on AO3, it would be considered NSFW, regardless if it is sexual in nature.

What content isn’t allowed during the week?

Dead Dove content or content that would warrant the use of AO3’s Archive Warning system are not eligible to be retweeted by our account or included in the AO3 collection. This includes—but is not limited to—underage, loli/shota, rape/non-consensual, graphic depictions of violence, diseases, and major character death.Our sister account KCHKAfterDark hosts Dark Kacchako Week and you are more than welcome to share your creations during that time!If you have a specific topic that you are unsure where it falls, feel free to email or contact us through our contact page.

How do I submit my contribution(s) to be added to the Archive of Our Own Collection if my work is not hosted by AO3?

You can email your submission(s) to us at [email protected] with the following information:- Title (fic title/title of art piece. Untitled pieces will be generically labeled “Kacchako Week Day # by <creator>)
- Characters
- Warnings (graphic depictions of violence, major character death, kinks, etc. or N/A)
Rating
- Summary and Additional Tags
- Link to the piece

What about my OT3/4/polyship?

We welcome polyship content. We love seeing all the unique ways people include Kacchako in their works! We simply ask that you please keep the primary focus on Kacchako.

How did you determine the prompts for the event?

Using submissions given to us from the Kacchako community during our Prompt Poll in January, the mods painstakingly craft the week to satisfy every Kacchako’s craving! If you notice some prompts come back year-to-year, it’s due to the high volume of requests. (Kacchakos know what we want!)