Episode 2 saved the series. It turned a somewhat gimmicky setup into a compelling romance. If you were on the fence after the first week, this episode proves that the "boy to adult" trope still has a lot of heart (and heat) to offer.
The transition from awkwardness to acceptance happens maybe one scene too fast. But given the episode title ("Midsummer Night's Threshold"), that might be intentional. shounen ga otona ni natta natsu episode 2 better
The series also explores the bittersweet nature of nostalgia. Our protagonist and his friends are on the cusp of adulthood, and the episode expertly captures the wistfulness that comes with leaving childhood behind. This nostalgia is bittersweet, filled with memories of carefree summers and innocent friendships. Episode 2 saved the series