The hero, Seiya Ryuuguuin, is an OVERLY cautious hero who’s obsessed with muscle training and buying armor before setting out to deal with low level creatures.
The English dub was directed by Jeremy Inman with Natalie Hoover and Tia Ballard serving as assistant ADR directors.
The series comes from writer Light Tuchihi which began in 2016 and has five volumes out while the manga by Koyuki has one volume.
The Hero Is Overpowered But Overly Cautious - Clip #16 (Dt.)