The princess who's been held captive by the Demon Lord's army is scheduled to be executed by the Demon Lord's relentless torture!

Despite a rough start, Makoto Misumi's life in another world takes a positive turn when he meets more demihumans who recognize his presence. Now as the leader of a fast-growing demihuman community, Makoto wishes to make human society more accepting of them and thus builds a business showcasing the demihumans' abilities. To extend his reach further, Makoto enrolls at the Rotsgard Academy to learn magic and expand his business venture there. Meanwhile, the goddess who summoned and forsaken Makoto had brought two other people to her world shortly after sending him away, making them heroes of their respective nations. Given enough time, Makoto's path will intertwine with both of these heroes, which may cause the world to take a drastic direction.

Rud is a tank of the Hero's Party and is said to have the highest defense ever in history. The party often does labyrinth raids, but to Rud, it means more than just a raid. To cure his beloved sister's illness, he is in search for the wish-granting treasure that might be hidden in those labyrinths. But one day, the arrogant hero kicks him from the party after an unsuccessful raid attempt, blaming it on his skills whose effects he is still unaware of. Without nowhere else to go and nothing to do, he decides to return to his hometown, where his sister is waiting. On his way there, he saves a girl who was being attacked by a monster. Unexpectedly, this girl has an extremely rare skill called "Appraisal." Thanks to her skill, Rud is able to discover the truth behind his unknown skills, which turn out to be very powerful skills. With a defense of 9999 and powerful skills, thus begins the adventure of the strongest tank, Rud!

When Nashiko Jippensha's mother kicks her out of the house for being too loud, the high school girl needs to find a new place to hang out with her friends. Luckily, Nashiko's father owns a closed-down mahjong parlor that is perfect for her needs. While cleaning out the place, Nashiko discovers a talking bird who introduces himself as a mahjong spirit, encouraging her to try playing the game with her friends. Realizing that they enjoy the game immensely, Nashiko and her friends decide to continue playing and enjoy the new space they have to hang out.