au where yuuta can see ghosts — no jujutsu, just hauntings — and has to put up with his partner satoru's dead ex, suguru, who's a not exactly off-putting in a scary way, per se, but moreso in an extremely perverted way.
like. standing at the foot of the bed while they fuck, jumpscaring yuuta when he's fresh out of the shower, touching yuuta when he falls asleep on the couch...etc, etc.
yuuta and satoru learning to cohabitate should include satoru getting on yuuta for still being awake when he gets home super late and yuuta blushing and saying, "but...i can only fall asleep if you...help me...," and satoru nearly falling to his knees cuz that's the cutest way yuuta could have asked him to fuck him to the point of passing out
yuuta gets so clingy with satoru in that month before the shinjuku showdown. he shows up at satoru's house unannounced, brings him dinner and desserts, makes sure he blow-dries his hair after showering, uses underhanded tactics to get him into bed at a reasonable time...
and satoru fights it for all of two seconds before caving and letting yuuta dote on him. and then he becomes so spoiled, he complains when yuuta doesn't have time to baby him — but yuuta should have known that if he gave satoru an inch, he'd take a mile.
if he didn't want satoru to drag him back into bed for "five more minutes" despite the urgent call he gets at six in the morning, he shouldn't have made his way into satoru's bed in the first place. if he didn't want to take responsibility for satoru's own clinginess, he should have pushed satoru away when they woke up pressed together like puzzle pieces.
and if he didn't want satoru to get the wrong idea about his intentions, he shouldn't have squirmed just right against satoru's morning wood and then blushed so cutely when satoru accused yuuta of seducing him.
the jujutsu tech kids get drunk together, but yuuta is so tired from taking on cases non-stop that the alcohol immediately knocks him out.
meanwhile, megumi is so desperate for an excuse to go back to his room that he insists on being the one to escort yuuta home.
he intended to just drop yuuta off and be on his way, but once they're inside yuuta's room and he gets yuuta on the bed, he hesitates because... yuuta probably won't be comfortable sleeping in jeans, right? so those have to go... and his button down is no better, so that's next...
and somewhere between straddling yuuta to get a better vantage point and opening yuuta's shirt, the alcohol really starts hitting megumi.
yuuta looks so cute and defenseless beneath him, flushed from the alcohol, drool already creeping down his chin. megumi doesn't think twice about reaching out, catching yuuta's spit with the pad of his thumb and brushing it away.
maybe he lingers. maybe he trails his thumb over yuuta's plump lips. maybe he pushes it past yuuta's teeth and presses down on yuuta's tongue. maybe he gets three fingers in yuuta's mouth, slicks them up, and uses them to get himself off all over yuuta's chest.
and maybe yuuta moans the word "sensei" as megumi is cleaning him up. megumi would be so taken aback. he'd probably leave right then and there and try to pretend the whole thing never happened. but he'd glare at satoru more, paying attention to all his interactions with yuuta, lowkey stalking them (as best he can with satoru's six eyes).
he wouldn't find anything unusual, though, and it would drive him crazy because yuuta doesn't even hint at having a crush, so why was he moaning for sensei while megumi was touching his chest in the first place? could it be a different sensei? megumi becomes suspicious of not just satoru, but kusakabe and ieri. even the kyoto teachers conversations with yuuta don't escape megumi's scrutiny.
satoru thinks the whole thing is funny. he's noticed all of megumi's cold stares and hyper-vigilance. so has yuuta. but where satoru really wants to let megumi catch them, yuuta is firmly against it so they have to be on their best behavior.