This strongly suggests :
Ayumi Hasegawa was rumored to be a character in a forgotten Japanese action-puzzle game titled scute 6th no 55 ayumi hasegawa patched
It sounds like you're referring to a specific entry from the (Senshi Collection of Unpublished Treasures & Ephemera) catalog, likely the 6th release , item No. 55 , related to Ayumi Hasegawa — and mentioning something being "patched." This strongly suggests : Ayumi Hasegawa was rumored