Hatsuyoshi Issei

Most issues in

• Hataraku Saibou: Black (2018) 8 issues
• Cells at Work! Black (2019) 8 issues
• Cells at Work! Code Black (2019) 7 issues
• Morning (1991) 7 issues
• Hoshi Naki Sekai no Annainin (2025) 1 issue