Current Series

Under Ninja (アンダーニンジャ) by Kengo Hanazawa

A dark comedy about the Japanese ninja and their missions in the modern day. https://mangadex.org/title/04598a65-4f1f-4807-a419-d79ca7f67457/under-ninja

Invisible Force (陸上自衛隊特務諜報機関 別班の犬) by Shinnosuke Kuji

An unpredictable spy-action featuring members of an elite special unit who have abandoned law and name, "Beppan".
https://mangadex.org/title/62360964-246f-4cd5-b37b-444c397269ce/rikujou-jieitai-tokumu-chouhou-kikan-beppan-no-inu

Designs (ディザインズ) by Daisuke Igarashi

A sci-fi thriller surrounding Humanized Animals (HA). These hybrids of human and animal, "designed" at the genetic level, are deployed into scenes of intrigue by ambitious individuals seeking to showcase their true value.
https://mangadex.org/title/40491f95-f8f4-4690-8b66-564cf6fd0e67/designs

Completed Series

Sukaraiti (スカライティ) by You Hibi

A fickle yet gentle apocalyptic travelogue featuring a robot on a mission to “kill” all the remaining humans by resolving their lingering attachments to the living world. https://mangadex.org/title/217c3396-1d8e-48f8-acf6-01c19e1a76bd/sukaraiti

Oneshots

And So, I Said.
Whether or not humanity should exist... The final vote has been entrusted to Poheko.
https://mangadex.org/title/3e360ea0-ba72-4b6a-83de-5e7fc0bb0fb4/soshite-watashi-wa-kou-itta

Splash into Space
A new transfer student, currently communicating with space.
https://mangadex.org/title/08099e06-bd57-4960-ac18-b55ef7481591/uchuu-ni-supurasshu

Color of Transparent, Taste of Water
A philosophy lecture on the rooftop after school.
https://mangadex.org/title/89548cb2-82eb-4f89-9ec3-8644c650c977/toumei-no-iro-mizu-no-aji

Reason For Quitting
A short story about the troubles of a frog mascot character.
https://mangadex.org/title/86351d8e-0827-48f3-a500-c68957370e1f/yametai-riyuu

Soar, "At Least Remember Your Student's Name" Plane
A student finds a way to relieve his overwhelming anger.
https://mangadex.org/chapter/2fbbbdc8-0d3a-49ca-8858-e7bfa1dcf07f