https://www.mangaupdates.com/series/ib4evcu/heat-and-run
https://www.lezhinus.com/en/comic/heat_run
The expired English version by Tapas and the current English version by Lezhin US have different localizations.
Ro Jaeho'(⍺) & 'Joo Ian'(recessive-Ω) are the sons of famous Alpha only households who are on bad terms & hence both were rivals too... However, their little bros 'Joo Jihwan'(⍺) & 'Ro Miho'(Ω) are in a relationship & are fated...? Ian joins Miho & Jihwan's holiday in America & meets Jaeho there by chance? after 5 years since a misunderstanding which made their relationship worse.... There is a strange tension in the air between the two older bros...is it something related to a certain incident in their past..?Will Joo Ian still able to hide the fact that he is an omega ..?Will the past incident forgiven ..?
Heat and Run