SaSS: Tsumugi x Nagito [Actually the most wholesome of them all]

New Space: Chiaki x Nagito

HvD: Nagito x Junko

HvD2: Nagito x Junko + Mukuro

Prominence: Hajime x Chiaki

Despair Causes: Ibuki x Hiyoko

BEC: Nagito x Chiaki

Duelist Kingdom: Gundham x Peko

RtDH: Shuichi x [null] (Tsumugi fucking died xd)

Monopup's Fantastic KG: Iroha x

SDRAKG: Emma x

Survivor Project: Futugaze x

Original Killing Game: Rantaro x Chiaki