---

All answers having "Japan" as clue:

4 Character Answers:

---

ASIA

AXIS



6 Character Answers:

---

ENAMEL

MADEIN

NIPPON



9 Character Answers:

---

DAINIPPON

RISINGSUN



10 Character Answers:

---

BITTERENEM



11 Character Answers:

---

BITTERENEMY