SPRD-628 Journey: Mother and Child Waka Tatatsuki

Mother and child. Parent and child trip without water. A trip to express my usual gratitude to my girlfriend's mother who raised me. However, from the time they can remember, their relationship has become more than that of a mother and child. While their feelings for each other are intricately intertwined, what will happen to the two of them, who will end up spending an intense and intense time together?