The Stupid Beauty Is Destined to Become the Personal Favorite of the Crazy Brother

[Double male protagonists + double A + abo + age difference + discipline] [The two meet in Chapter 5, the first five chapters are mainly background plot] "You think you are walking me, but I am actually taking you for a walk." "So the person with the chain doesn't necessarily have the final say." Living under the shelter of others, Yanyu was forced to recognize a nominal brother. To the outside world, the two of them are brothers and respect each other, and others praise them for their deep brotherly love. Only Yanyu himself knows it well. He has already been attracted to him day and night. He works hard to play the role of the obedient younger brother every day. When will he become a permanent member.