Ossan Isekai de Saikyou ni Naru: Butsuri Tokka no Kakusei-sha

A former corporate drone in his 40s charges through another world with a super physical-specialized style! Okuno Soshi, a former office worker in his 40s who was ground down by corporate life, is forced to work as an adventurer in another world. The chronic shoulder stiffness he accumulated over ye…