Responses
more like ceo and yakuza vibe you can check out Enthusiasm
oh they renamed it to 'Mania'
Try outburst
https://www.mangago.zone/read-manga/outburst/
highly recommend saezuru tori wa habatakanai, also known as twittering birds never fly
Thank youuuuu minaaa
Recommend some manga or webtoon like this, onegai