Shinryaku Shonichi - Recommendations
Alt title: First Day of the Invasion
If you're looking for manga similar to Shinryaku Shonichi, you might like these titles.
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Kokoro no Nai Robot
- One Shot
- 2022
A Dangerous School Trip
- One Shot
- 2019
School trips are always fun, but they get even better when you're taken to an alien planet you've never visited before. However, this planet isn't exactly safe for a bunch of human students...
Chiken wo Fukameta Kanchigai
- One Shot
- 2022
Ikyoudo
- One Shot
- 2019
At the end of the Edo Period, a young farmer who lives a meager, yet peaceful life suddenly loses someone very dear to him. He vows to get revenge, but where will this journey lead him? Prepare for a wild adventure that fuses the Edo Period and Sci Fi genres!
Blue Nathanael
- One Shot
- 2007
An injured soldier on an alien world is rescued/captured by a soldier from the other side of the conflict.
Ersona Syndrome
- Vol: 6+; Ch: 30+
- 2016 - ?
In the near future, Ersona technology allows human minds to be digitized after death so they can live on forever. This gives way to people who lose all sense of meaning in their physical lives, and decide to use a euthanasia drug known as Escort to commit suicide so they can become Ersona as quickly as possible. Is there any meaning to life in a society where people’s minds can live on forever? As a police officer in the city named Shinya Tatsurugi starts to have his doubts about the system, he gets wrapped up in an epic battle.
Heya no Soto dewa Dareka ga Waraiatteiru
- One Shot
- 2015
At the end of the world, a boy wakes up to find an odd shiny orb next to him.
Ore Dake ga Shitte Iru Rabukome
- One Shot
- 2020
A boy who keeps visiting his girlfriend in the hospital.
Chikyuu no Kaijuu
- One Shot
- 2013
A father and son possess the power to turn into a giant at will. They have the responsibility of protecting Earth from attacking space monsters.
Yoru no Ippin
- One Shot
- 2006