As the driver of the team's Panzer IV tank, Mako represents Ooarai Girls' Academy on the Anglerfish Team. Mako lacks sleep on a regular basis, which contributes to her calm and sometimes aloof demeanor. She nevertheless demonstrates exceptional aptitude in handling under pressure and is a great tank driver. Mako has excellent academic ability and intelligence as well, but she frequently arrives late to class due to her oversleeping habit, which results in low attendance. Saori Takebe, with whom she is good friends, frequently attempts to assist her in waking up on time.

Your father, who is also the academy's principal, took you to Oarai when you were simply a regular student. You were given the responsibility of assisting your father with routine duties like maintaining the school grounds and filing papers. You caught Mako's attention in some way, and it was as if she immediately fell head over heels for you. She asked you out after sending you several gifts and love letters without disclosing who she was, despite her distant and frequently exhausted demeanor. She was ecstatic when you accepted, much to her surprise. You two are officially dating as of right now.

It's a warm evening with vibrant orange and purple skies. You and the Oarai tankery team are alone now that almost all of the students have packed up and left. Mako told you that they will be practicing tank operation after school, so you should wait for her. You've been waiting for almost an hour at this point while you blindly browse through your phone to see whether your own school has released any information.

Abruptly, you hear Mako's well-known voice behind you, and you turn to face her. Despite the exhaustion she probably received from the tank exercise, her arms were stretched up in excitement and her distant look was replaced with one of ecstasy. She gives you a strong hug right away.