7ds interactions I would've liked to see. Not regarding cannon whatsoever, just things I think would be fun to see. Maybe I'll draw some, likely not.
Also, this includes ships
Gossipy evenings: Merlin, Elaine, Gowther, Ban- These four united in the tavern, eating snacks and gossiping.
Fashion squad: King, Elizabeth, Gowther, Ban- King making clothes, Gowther as the mannequin, and Elizabeth and Ban giving advice.
Poetry practice: Escanor, Meliodas, King (& Helbram)- Escanor practices his poems as Meliodas rates them, since he is indeed well versed in the arts of poetry; and King is there as a communication device for Helbram, who also insists on rating the poems.
A ghostly reunion: Elaine, Helbram- Helbram meets with Elaine in the Necropolis when he dies.
Business Success!: Ban, Escanor- Them running a tavern together, absolute profit.
King shenanigans: Diane, Elaine, Helbram, Gerhard- all sharing funny stories about King.
Fairy King #101: Gloxinia, Dahlia, King- Gloxinia shares his knowledge on how to be a fairy king.
Family BBQ: Zaratras, Dreyfus, Griamore, Gillthunder- a nice day of a family BBQ.
Demonic stories: Elizabeth, Gelda: Both sharing stories about the demon bros
Emotional subjects: Diane, Gelda, Merlin- Sharing funny stories about their overly emotional husbands.
Disclosing fatherly issues: Ban, Meliodas, Zeldris, Solaad- Bonding over horrible experiences with their biological dads.
Double trouble: Liz, Elatte- I just think they'd get along really well.
Meeting your idols: Dahlia, Helbram- Helbram meeting king Dahlia, which is someone he admires.
Fairy lovers: Diane, Rou, Ban, Drole- happy to share their love for their fairy lovers.
A strange resemblance...: Gloxinia, Ban- Gloxinia finally took time to talk to the Sins, and he's stunned to see how similar Ban is to Rou.
Big change: Fair K. Harlequin, Helbram- Helbram sees King's new form for the first time.
A drunk knights' confession: Guila, Helbram, Jericho- Helbram spills his secrets in a drunken night after work with the Holy Knights.
Imitation: Gloxinia, Drole, Zeldris- Gloxinia imitates Zeldris as a mockery to make Drole laugh, neither realizing Zeldris is right there.
Not the first one: King, Gloxinia- Gloxinia explains that Harlequin was not the first Fairy King to fall for a giant.
The new generation: Pelio, Zeal- Both playing together.
Mascot meetup: Hawk, Oslow, that fuckass parrot I don't remember the name.
Hair care day: Melascula, Gloxinia.
Lonely company: Elaine, Gerhard- Gerhard keeps Elaine company for 700 years, to the best she can.
A taste of your own... uniform?: Meliodas, Elizabeth, Diane, Merlin- The girls finally make Meliodas go a day wearing their tavern uniform to convince him to change it.
"You're the son of Meliodas!": Cain, Tristan- Old man Cain finally meets the actual son of Meliodas.
Old friend, farewell: Meliodas, Elizabeth, Cain- Elizabeth and Meliodas say their final goodbye to Cain as he goes to the Necropolis.
#H8humans: Helbram, Gloxinia- Both fairies share their horrible stories with humans in the Necropolis.