Mizuki and Kazuya, childhood friends, are 3 years apart. It's not really a so-called "age gap" but it makes some distance between them during their youth. From their childhood to the present, the story will be told about these two who are 3 years apart.

(Source: Square Enix, translated)

When giant monsters roam the earth, "wildlife care" takes on a whole new meaning. That's where the Tamers come in--girls trained to soothe the savage beasts. But while co-existence is a way of life, it's still a little overwhelming for meek Ion Hidaka. Can she handle being one of the newest members of the Tatara Girls' Academy Tamers Committee? The monsters seem to think so!

(Source: Yen Press)

The Alchemist Kurakazu Rintarou, saved a young girl who fainted in the Forest of Corpses.
The name of that girl is "Chloe La Foley". Her specialty is housework.
The story unfolds on the two's "Slow Life" under the same roof in this Isekai Maid Fantasy!!

A small witch, Lina, whose life is aimed at by the kingdom.
It was a monster orc that appeared in front of her and saved her as she was captured by the guards.
Witches that are targeted by humans and monsters that are hated by humans.
A strangely warm story of two strange people who met and acted together.