Kinamara's manga / #tsundere uke(16)

Kidchu not, the chairmans son (black hair guy with the small beard growing) is brothers with the seme which is spoilers in ch 4. This manga is the sequel to the chairman’s. Uke has double sided to him. During working business, he has a business mode while when he’s by himself, he’s himself (complaining)Uke used to be himself before but after entering the workforce, he used his looks to his advantage and tweeked his personality into a nicer person. Seme is a new employee and was closed in on uke

Both were straight but after seme realizes he’s in love with uke he confessed and uke said yes to up one step of him.