banshouya ena, hayakawa yahiro, tominaga shin, and kuidaore taro (assault lily) drawn by kabayaki_(kabayaki_eel)

Yahiro, happy birthday, here's a present

Thanks! I wonder what is it?

Cosplay costume!!

Vigilance MAX

You don't have to be so vigilant... Shin will be happy, won't she?

The other way around! Let Shin wear it!

Sounds about right

Shin, I wonder what costume you'll be wearing to celebrate?

See-through? Fluffy?

What's this?

It's too corny