Abe Yuma suddenly got dumped by his BF of 7 years without any reason or explanation..to get distracted from those painful memories he restarted giving students piano lessons..where he met a "strange" 2nd grader Maika ....Very soon he had a strange encounter with Maika's father, Sawada Ibuki who works as a caregiver (works at elderly homes). Turns out that Ibuki is not Maika's biological father and had a short tryst with Maika's real father. Chapter 7 begins the flashback of Ibuki's past.
Ibitsuna Bokura no Katachi