threesome ++

Younger twin X Older twin X childhood friend
True poly

[ongoing] if i pray hard enough will the beta and alpha fall in love with eo? lol

Story 1 real poly 3some
Seme X seke X uke

Chapter 4-7
Seme X seke X uke (that only likes seke)
Seme also has a thing for uke. there is some foreplay but unfortunately no penetration or romance between seme and uke

ABO, with side story alpha X alpha BDSM play

ABO POLY SEQUEL LETS FUCKING GOOOO
they are seemingly a closed triad, but there is nothing like the bdsm side story for the alphas. missed opportunity imo

Chapter 1-4: father & son X son friend

2 kouhai X Senpai, includes dp.
1 kouhai and Senpai are dating (hence title I guess lmao)

2 seme X uke, V relationship
Semes make out exactly 1 time in each volume. Nothing beyond jerking off together tho.

Slut for dick uke X sex friend X uke mid bf
DP, spitroast, toys, spanking, squirting etc