Wadatsumi no Yometori - Reviews

This is a very engaging read. Our uke Kiyo is desperate to cure the immortality his merman husband has given him, there's a solution to it of course but it's kept hidden by the merman. Here both merfolks & the humans they wed which will automatically be bestowed with immortality upon being the merfolk's partner despise long life & see death as the only way to end it.