is this hentai comic from  super robot wars? not sure

[Brough-Superior+Jikusando!] kowaretasekai (FF11)

[HANAMARU MUGEN GYM]Sakurachiru (DOA)

[Kokkei nagaya] hime awabi hime matsutake sono 3.5 (original)[DG!!]

[NF121] CHEMICAL SOUP (SRW)

[P-FOREST] INTERMISSION_if code_13 LEFINA (SRW)

The lead female character in this is from the game Super Robot Wars I believe. Plus some characters from Big O make appearances. Ok so on to the hentai! The lead female character in this finds herself being gang banged by a group of masked men while wearing what looks like a cheerleader costume from Eyeshield. Roger Smith brings his mecha Big O and shows up to save her.
PARADIGM SETSUKO (SRW)

Endless Frontier SRW OG Saga

KETSU! MEGATON 7 (Code Geass)