Undead Unluck: Akira Kuno's Mother

She's a sweet single parent who enjoys reading manga to her son at bedtime after her husband passed away from a fatal illness during his childhood. After Akira got a G-Liner pen that granted him omniscience knowledge of both the past and future events of a loop, he was inspired by what he saw and rushed on home to draw his visions out for his mother, only to discover that she could no longer see him as a secondary effect of the pen, having become Unknown. As a result of this power, he can no longer interact or touch people of the outside world as his mother became depressed for not be able to find him, praying that her son is safe and can go home. After that, she was able to read her son's book called, "To You, From Me", an typical love Shojo manga, expecting it to not be seen which brough her to tears. This is from Episode 23.

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Beelzebub: Furuichi's Mother and Shouko Oga.

 This silver-haired lady is the outgoing mother of Takayuki and Honoka Furuichi.

Shouko is the mother of Tatsumi and Misaki Oga.  

Digimon Adventure 02: Yuuko and Jun

These are from Episodes 17 and 18. Tai and Kari's mother wanted to see what the DigiDestined are doing while Jun is complaining to Davis on going off a camping trip despite him tricking her.

Ponyo on the Cliff: Lisa

Lisa is a rambunctious Japanese mother who scrupulously looks after her son Sosuke.