Hi! I'm looking for a yaoi, quite unique because it's from the mother-in-law's pov : she ...

Hi!
I'm looking for a yaoi, quite unique because it's from the mother-in-law's pov : she didn't want to let her son-in-law go after her daughter's death so she organized everything to make sure that he spend a night (?) with her other son (who's secretly in love with the latter)
There are multiple stories and they are all more or less linked

Thanks in advance (⌒▽⌒)