[Circle Eden (Diisuke)] Oku-san no Oppai ga Dekasugiru no ga Warui! 6 Plus Sono | It's Your Fault for Having Such Big Boobs, Ma'am! 6 Plus (Touhou Project) [English] {Doujins.com} [Digital]
[Circle Eden (ヂイスケ)] 奥さんのおっぱいがデカすぎるのが悪い!6 プラスその (東方Project) [英訳] [DL版]
Honestly the best option for Urumi and her husband is just run this as an amateur porn studio. They get $$, she gets fucked and he gets to watch. Win Win Win
@Secretum, the pages seems to be rearranged, the husband already knows she is cheating that's why he was there during the train molestation event, right after that he showed her the video he captured when he started to think she was cheating since he cant satisfy her and agreed that she continues doing it, since he developed or discovered he has cuck fetish but only for the men in the apartment if possible since he worries about her.
They basically stay together and she gets satisfied by other men while still enjoying sex with her husband and her husband no longer needs the medicine for erection since he watches the videos to get hard. It is hinted that he is not so harmless than what readers think based on the character notes for [Circle Eden (Diisuke)] Oku-san no Oppai ga Dekasugiru no ga Warui! Soushuuhen (Touhou Project) [Digital], https://e-hentai.org/s/b699e26211/3468544-222 "He's a jerk, and despite appearing to be a sensible person, he's actually a dangerous guy. he's Urumi's husband for a reason", makes you wonder how he got her to marry him.
Still not sure how to feel about this but like any other parody doujin, really shouldn't think about it too much and just wank, she's basically a demon/Oni and could rip people in half with her bare hands if she wants to or crush their dicks by just clenching her pussy hard enough.