SPOILER!
Well, so dane used erza's daughter birthday party as an excuse to kidnap grayson. he switched grayson's invitation address to lead him to a different location and kidnapped him. henry and isaac (josh's bodyguard coworkers in kiss me if you can) were helping too lol. and they even used a helicopter.
then dane realized grayson was pretending to be unconscious. he even pretended to have acrophobia. and long story short, he decided to jump off the helicopter and grabbed dane on his way down. they were both falling, and dane was really angry, but it turned out grayson had a parachute.
then they went to one of miller's villas, and luckily, there was internet there, so dane quickly called josh and told him about what happened. he was going to send him the location, but josh told him he didn't have to since all the millers had trackers inside their bodies.
then they decided to spend the night in the villa, but it sank underground while dane was asleep. he then asked grayson what was going on until grayson finally told him that the villa was used by his father to imprison koi. dane was really pissed, he asked why grayson did it and he answered that it was because he wanted to sleep with dane to confirm something. and of course dane refused. until he got his heat, and they ended up sleeping with each other.
yes tho it might take a while but they do feel attracted to each other.
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grayson fell in love a little faster meanwhile for dane it will take a while for him to actually accept that he's in love (he has a personal trauma). but it's all worth it in my opinion because other than this incident, everything is in consent for both parties.

Someone spoil me please