I'm full on assuming that the ex was jealous of him, because why would he pick another nepo baby who looks like a yakuza sidekick to cheat and break up with Takane and humiliate him in public.
Right, if i was Takane's gf, I'll hold his tight so hard and learned chores/dishes he like. I ain't no way cheat a great bod and face card like him
I'm full on assuming that the ex was jealous of him, because why would he pick another nepo baby who looks like a yakuza sidekick to cheat and break up with Takane and humiliate him in public.