I Haven't Been a Big Brother for Many Years

Quick story, cool story, there may be emotional threads, it depends on the development, it involves abo, bl niche, if there are any surprises, or even more, thank you for bowing. The main character is funny at heart, has a big brain, and is cold in appearance. I don't have a saved manuscript. I don't have this good habit. You can read it later. Thank you for your support. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.