Mahouka Koukou no Rettousei - Tsuioku-hen - Vol. 1 Ch. 3 - Guardian

[MangaDex]

 

[DracoInduperator]

If she just sees him as "a boy who is oen year older", no wonder she's developing an attraction to Tatsuya. It's hard to deny he's cool.

 

[RandomnessOfTheMathWorld]

That escalated quickly.

But you gotta explain me how a pleasure boat can detect a stealth submarine. Even fishing boats have better sonars. Also why the fuck would you use torpedoes.