A talented, hot older stepbrother and a single-minded, younger stepbrother who complicates things are in a taboo relationship they can't tell anyone else about...
Hibito and En are now stepbrothers due to their parents' marriage, and En, who was fourteen at the time, fell in love with the sixteen-year-old Hibito at first sight.
"I can't destroy my family's happiness." "I should be happy just having him by my side." As En continues to persuade himself, he witnesses Hibito sneaking a girl into the house.
En unthinkingly runs out of the house, and when Hibito chases after him, En ends up confessing his feelings...