Black Shain no Tensei Saki wa Dom/Sub Universe no Sekai deshita: Koibito-hen

One day, Mikito collapses from overwork at his exploitative company. When he awakens, he finds himself unexpectedly close to Yanagawa, an elite coworker he barely knew before. He discovers a parallel world where Doms, who thrive on domination, and Subs, who find comfort in being dominated, exist…?! Source: MU

One day, Mikito collapses from overwork at his exploitative company. When he awakens, he finds himself unexpectedly close to Yanagawa, an elite coworker he barely knew before. He discovers a parallel world where Doms, who thrive on domination, and Subs, who find comfort in being dominated, exist…?! A story of office life and an unexpected connection between a nurturing Dom and a Sub who’s still finding his way! (Source: Shinshokan, translated) *Note: Includes one extra chapter.*