大蜘蛛ちゃんフラッシュ・バック 大蜘蛛ちゃんフラッシュバック
One of [[Ueshiba Riichi]]'s works. 
The manga centers on first-year high school student Suzuki Minoru, who sometimes sees visions of his own mother's past as a high school student.
ookumo-chan flashback