A 22-page short manga story included in the The Aiya Kyu Special Works book.

Shizuru was exhausted and felt cornered at his exploitative company. One day he inherited a farm in another world from his beloved grandpa! On top of that, when he travels to the other world, he somehow turns into a girl...!? The start of a gender-swapped transfer to another world, a fluffy slow life with cute animals!! (Source: Kadokawa, translated)

The MC and his entire class get transported to a magical world and everyone has their own abilities. The MC's ability is teleportation. He discovers his ability allows himself to teleport back and forth to earth. The trial for survival begins.

Totsuka Yukikazu was a student in peaceful Japan, when suddenly during class break, he and his classmates were caught up in a summoning to another world. In the otherworldly, he got offered a position as an otherworldly warrior that would fight for the kingdom or the choice to take his freedom and walk his own path. With a mysterious voice in his head that told him to abandon the castle life, he decided to take his own path and become an adventurer! ... After he finishes his 2-year mandatory military service.

One day, all life disappeared from the world, save for a lone girl. Insects, fish, birds, beasts, monsters. Even humans disappeared from it without exception. Only the plants continued to grow. And the boy who stumbled upon such a world was able to meet such a girl.

Short comics posted on the official Chinese The Rising of the Shield Hero Mobile Game blog