Devastating last page/s (short, mostly BL)

Oneshot Ch.5
A salaryman going at his gay friend's house 5 times a week to eat the dishes he devotedly makes.
No happy ending
Tearjerker

A lone construction worker fell in love with the first friend he ever made, but learns he is going to get married.
No happy ending
I had a huge knot in my throat...

Oneshot Pg.200-end
Two friends, one soon transferring to another school.
No happy ending

Two childhood friends and soon stepbrother. A status quo that wont be broken.
No happy ending

Ch.4
A school nurse, starting to pity the wrong person, is pulled into a twisted relationship.
They stay together...

Actually a 6chapters story. Tatoo Artist Hyakkei's childhood friend, Kaoru, who ran away 10 years ago, in denial of their mutual feelings, asks him to tattoo a dragon on his back, being next in line to succeed his yakuza clan.
Bitter last pages, very bitter, that actually made me add a star to my rating

A wounded soldier with a disturbed mind kidnaps and goes AWOL with the priest who tries to help him. The reunion 2 years later of two broken persons the war didn't spare.
Tragic

Heartbroken Manabu-kun keeps meeting up with his senpai in the back of the school, who appears to be keeping a secret.
Tragedy
Tearjerker (if I remember well)

Oneshot ch.1
Even to his, busy time, Kasumi found his time to be with his lover's special day. But what if this celebration leading to a final farewell.
Tragedy
Tearjerker

Oneshot ch.4
Half of Japan's destroyed by meteor shower. Stealing & robbing is everywhere to survive. Moreover an enormous asteroid's heading directly. Michiru got rescued then falls for his lifesaver, knowing their tomorrow doesn't exist.
Tragedy
Tearjerker (I think?)

Matthias, a child abused continuously by his mother, having committed her murder finds refuge in a church where he meets a seemingly helpful, young priest and Hans, a fellow resident. Not much time passes, however, until Matthias realizes that there's something suspicious going on behind the facade of a peaceful shelter...
No happy ending