Is it just me, or are his pants a bit tented in that second panel?

It's just the shorts string.

He's a ungallant little tick.

Threats that are the opposite of threats are the best kind.

Isn't that was battlesubmarine Haruna was wearing? A school swimsuit.

ithekro said:

Isn't that was battlesubmarine Haruna was wearing? A school swimsuit.

Yep.

His little ladies might be all grown up now but he still likes a bit of classic cosplay in the bedroom.

ithekro said:

Isn't that was battlesubmarine Haruna was wearing? A school swimsuit.

Don't go forgetting little Yuu-chan.

This is a nudge to the japanese fans of this serie. While we call him admiralbro, they call him admiral school swimsuit, due him having magazines of school swimsuit.