Updated with animation preview (final image) and additional links.

Source:
https://www.pixiv.net/en/artworks/91974316
https://www.pixiv.net/en/artworks/92315904

Commissioned by animefan71109 (me)
Artist: Zuharu
Script: animefan71109
Editor: Hennojin
Animator: FishSyrup

Purchased the longer video:
https://fishsyrup.gumroad.com/l/ZMdhT/4zrwusm

Support them for future art!
https://www.pixiv.net/en/users/60050904
https://twitter.com/zhru__
https://www.patreon.com/zuharu
https://zuharu.fanbox.cc/

Text 01-21
Textless 22-35
Short Animated Gif 36

This storyline is based off The "Secret Game Tale" story from the Danmachi Memoria Freese mobile game! You can watch the original story on YouTube!
https://youtu.be/oN3tIN9Fj-E
It's a parody of the Hollywood movie, Oceans Eleven

Also, here's some Haruhime by the same artist:
https://e-hentai.org/g/1978379/db84987918/

hey, you call spreading your leg and letting yourself gangbanged a tactical diversion ?
h̶e̶y̶,̶ ̶a̶s̶ ̶l̶o̶n̶g̶ ̶i̶t̶ ̶w̶o̶r̶k̶s̶doesn't matter had sex

Base +33, Dooderz -8

Keep in mind, the overall goal of the mission was for Demeter to kidnap Freya and force her to go to a spa that the latter had agreed to go to but forgot about. So, you know. At least Mikoto was doing it for a good cause.

Base +16, AhKai +6, Beane +7, phantasys +6, Zicth +7, sapphiron +9, Red of EHCOVE +55, malikski +6

Well, when you put it like that... Hahahaha!

Base +15

Excellent work, great translation - Thank you for sharing it with the community

Waiting for new translations of other works from this great artist, which have not yet been translated

Base +8, malikski +6