Bunny Drop, Volume 4 — Yumi Unita

"Having lived with his adopted daughter, Rin, for over a year now, Daikichi still considers the female mind to be far beyond his grasp! So when his cousin Haruko shows up on his doorstep with her daughter, Reina, in tow and claims to have ""run away,"" Daikichi is faced with navigating the twists and turns of the female psyche to get to the bottom of Haruko''s situation. And ultimately, through the perspectives of both Haruko and the other parents he meets through Rin''s school, Daikichi gradually begins to comprehend the many meanings of parenthood..."