: A sequence involving ice cream leads to an accidental "indirect kiss" when their cones collide, a moment that Nagatoro initially teased him about but finds herself equally flustered by.

The ice cream sequence was moved from an earlier point in the manga to the aquarium date.

: Nagatoro maintains a tally of "points" for Senpai's performance, ultimately ending the date with a modest 50 points (out of 1,000), which she admits was actually "the real thing" rather than practice.

Episode 12 of Ijiranaide, Nagatoro-san 2nd Attack (titled "Fair's Fair") serves as the season finale, centering on the long-anticipated "first real date" between Nagatoro and Senpai at an aquarium. The episode marks a pivotal shift from purely playful teasing to a more earnest acknowledgment of their mutual feelings.

: Back at school, a misunderstanding regarding Hana Sunomiya making lunches for Senpai leads to Nagatoro becoming jealous. Senpai resolves the tension by offering to make a bento for Nagatoro in return, demonstrating his increased confidence and consideration.