The Cheerful Ms. Shiroe

"Unbelievable! Shiro and Shiron's mother... 'Shiroe' has joined the battle!!"

Shiroe's Super Secret Memo
She's Shiro and Shiron's real mom!
She loves doing housework and taking care of people!
Her hobby is volleyball!
She is a widow.

Shiro: The whole Shiro family is here! Nice to meet'cha all~
Shiroe: I just had to see the two of them grow up close
Shiron: The title of 'Bomber Queen' isn't just for show!
Grey: Bomber Queen!?

Grey: No way! To think that Shiro-senpai's mother was that legendary Bomber Girl!!
(Please give me your autograph!)

Shiroe: That's an old story Now, I'm just an ordinary Bomber Housewife
(Oh, honestly~)

(Others): Why didn't you ever tell us!?
(Shiron): Cause you never asked~

Platinum: Hmph... A legend or whatever, I don't know about that, but... I myself shall turn you into cosmic dust!!
Shiroe: Oh my!! They're delinquents!!

Shiroe: A young lady shouldn't use such rough language Mother will listen to what you have to say
Platinum: Mo... Mommy......
Group: Mommyyyy~

And just like that, Shiroe-mama was already in the process of becoming everyone's mother.