Keiichirou Mishima is a 15-year-old guy living with his mom until she suddenly decides to fly to Paris to be with Keiichirou's dad. His mom arranges with his uncle Shirasaki to let him stay at his mansion with his two cousins Marie and Tomari, who he met many years before when he stayed with them for a short while. However, Keiichirou has forgotten nearly everything about back then, including why his cousins apparently now hate him.
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Chapters
| Vol.2 Chapter 12: Together | May 27, 2017 |
| Vol.2 Chapter 11: Honey Trap | May 27, 2017 |
| Vol.2 Chapter 10: Grey Breath | May 27, 2017 |
| Vol.2 Chapter 9: Liar | May 27, 2017 |
| Vol.2 Chapter 8: Lyrical Tactics | May 27, 2017 |
| Vol.2 Chapter 7: Promise | May 27, 2017 |
| Vol.1 Chapter 6: Grey Primavera | May 27, 2017 |
| Vol.1 Chapter 5: Turn Over | May 27, 2017 |
| Vol.1 Chapter 4: Apples and Memories | May 27, 2017 |
| Vol.1 Chapter 3: Sentamental Crazy | May 27, 2017 |
| Vol.1 Chapter 2: Fake | May 27, 2017 |
| Vol.1 Chapter 1: Reunion | May 27, 2017 |