If you are looking for a completionist guide (all endings/scenes):
Kakugari Kyoudai (translated roughly as "The Flat-Top/Crew-Cut Brothers") is one of the signature titles associated with this circle. The term "Kakugari" refers to a specific Japanese buzz cut or flat-top hairstyle, often associated with a rugged, traditional, or hyper-masculine aesthetic. If you are looking for a completionist guide