As the title suggests, this is a story about a gong who transmigrates to different worlds and brings home pitiful little husbands to raise.
At first, these are mission worlds, and he treats the shou as targets to win over without any feelings. Later, he falls for them himself, willingly traveling to different worlds to find his beloved and bring him home to care for him.
School story: Pick up a bullied male lead?
Farming story: Pick up a little mute husband?
Insectoid story: Pick up a battle-scarred female slave?
Beastfolk story: Pick up a fluffy stray?
Sentinel-Guide story: Pick up an amnesiac Guide?
Western fantasy story: Pick up a little vampire in the middle of growing up?
Supernatural story: Pick up a lost Celestial Master?
Theme: Love means being there for someone and helping them heal