Chapter 44: AiON from the Blue Sea [END]
25 May 2019
Chapter 43: I Want You to Be Happy
25 May 2019
Chapter 42: The Simon inside the Mermaid
25 May 2019
Chapter 41: A Love That Exceeds 320 Years
25 May 2019
Chapter 40: I Don't Care If I Die
25 May 2019
Chapter 39: The Hate
25 May 2019
Chapter 38: Kiss of Vows
25 May 2019
Chapter 37: A Love That Has Already Ended
25 May 2019
Chapter 36: An Imperishable Sin
25 May 2019
Chapter 35: Remember That Time
25 May 2019
Chapter 34: To Remember and Keep
25 May 2019
Chapter 33: A Slighty Disappointing Child
25 May 2019
Chapter 32: Runaway Mermaid
25 May 2019
Chapter 31: 300m Deep Sea
25 May 2019
Chapter 30
25 May 2019
Chapter 29: Signs
25 May 2019
Chapter 28.2: A Story Long Before Seine Met Tatsuya
25 May 2019
Chapter 28.1: AiON X Karin
25 May 2019
Chapter 28: Renewing Moods
25 May 2019
Chapter 27: Magician Simon Magus
25 May 2019
Chapter 26: The Fated Day
25 May 2019
Chapter 25: The Girl Doesn't Know Happiness
25 May 2019
Chapter 24: The Mermaid's Broken Heart
25 May 2019
Chapter 23: The Strange Looking Sea
25 May 2019
Chapter 22: Escape
25 May 2019
Chapter 21: The Devil's Choice
25 May 2019
Chapter 20: The Pierced Relationship
25 May 2019
Chapter 19: Anger
25 May 2019
Chapter 18: Love Triangle
25 May 2019
Chapter 17: A Start of a New Semester
25 May 2019
Chapter 16: The Sea and Tears
25 May 2019
Chapter 15: True Memories
25 May 2019
Chapter 14: Dark Clouds That Creep Up
25 May 2019
Chapter 13: Insecure Heart
25 May 2019
Chapter 12.5: Omake
25 May 2019
Chapter 12: The Girl in the Infirmary
25 May 2019
Chapter 11: The Witch's Weakness
25 May 2019
Chapter 10: Conclusion
25 May 2019
Chapter 9: How To Put It On
25 May 2019
Chapter 8.5: Omake
25 May 2019
Chapter 8: A Secret
25 May 2019
Chapter 7: The Mermaid's Whisper
25 May 2019
Chapter 6: Route to Infection
25 May 2019
Chapter 5: The Witch's Holiday
25 May 2019
Chapter 4: The Family's Turnaround
25 May 2019
Chapter 3: Vagrant Girl
25 May 2019
Chapter 2: Small Fry
25 May 2019
Chapter 1: Low Calibur
25 May 2019