Itsu made mo Musuko no Mama ja Irarenai! 6

Nikaidou Tasuku, the protagonist, has looked up to his mother, Chihiro, since he was a boy. But before he knew it, his feelings were no longer merely platonic. - Unable to confess his feelings, he believes it will be enough for things to stay as they were, as long as it means he gets to stay by her side. - However, a sudden incident causes him to undergo a change of heart, and he decides it is better to have loved and lost than never loved at all. - From then on he does his utmost to make his mother fall for him...​