Marriage Blue

Colin was adopted as a child and met his new family, Jeremy. The two gradually became inseparable brothers, but as time went on, they began to harbor feelings for each other that went beyond brotherhood. However, unable to break the bond of brotherhood with his own hands, Colin ultimately makes the drastic decision to marry someone else...
*“You can’t live without me, can you?”*
(Source: MrBlue, translated)
*Note: Includes five extra chapters.*