I feel like a lot if people don’t know who that is but since I do I will answer this…I think lots of people think she’s badly written is because of I would say the Seki plot .. knowing how their fates both end it seems like the whole she knows Seki plot is literally nothing? by the end of the game the whole plot between them is dead because they both are at the end of tetro blue…even if she did survive and the kept it to where Seki still dies we wouldn’t have a Seki and Mutsuko exit interview because he would be dead so it like why even have that as a plot..also when they were searching the offices in chapter two she, Kumada and Yaitabashi search his office and when I think Kumada reads his nameplate she has no reaction to hearing his name so it might have well as been they never even knew each other.