Responses
Any maybe he didn't anticipate his younger brother which is why he asked for him in their conversation?
This theory is better than the real plot of the Manga ٩(๑❛ᴗ❛๑)۶
Wait rrly ?
(￣ε(#￣)Σ
Yeeess ε=ε=(ノ≧∇≦)ノ
Could it be possible that Seigo was the one who make Hayame divorce? Like...he was a creep that crazy in love with Hayame and then he planed to send his friend and all to make her fight with her ex husband? Idk. He is just really suspicious.