Oh man, can definitely smell the axe being sharpened since the beginning of the volume...
Health condition of granny getting worse and Aoi actually choosing between a father who is more interested in whales instead of own daughter or mother who disappeared for 10 years without a life sign, but at least mom is trying her best on her own instead father that staring to realize he has * gasp * a daughter since she almost died.
Ryuji is going his own way, not resolved his family matters of his identity is such a shame, he helped Makoto but nobody helps to sort his issues.
Thanks for the scanlation!