luckily no for now (unfinished series after all)
aside from minato being my fav kind of (power) bottom, the whole "you will bottom and then you cannot enjoy sex with women anymore!!" is such a mega dumb yaoi-cliché that ignores real sex and sexuality and really doesn't fit the rather serious tone of the work or their current conflict lmao
SPOILER
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shizuma isn't really into the idea in that moment, he doesn't get hard, they end up doing the right thing: having a fricking conversation and communicating, minato opens up, this makes shizuma super "manly dominant" and hard (i was so confused by the japanese review saying manly switch activated w/o seeing the raws lmao), if i remember correctly, he says that he generally wouldn't mind being held by minato, but right now he needs to be the top -> they fuck (and i think minato says he's happy he's bottoming bc it feels better for him and being asked what he prefers again confirms he prefers being the bottom)
SWITCH?!?!??????!??