Compatriots from the same mother have been together day and night for decades.
The elder brother always restrained himself and suppressed his over-the-border impulses under his elder brother's identity; the younger brother realized later and fell deeply into this feeling that shouldn't exist.
They have tried staying away and alienating each other, but they can never let go of each other. In the end, the two were about to face this forbidden relationship, but an accident caused their brother to leave forever.
Intention: reluctant to give up