|Rōmaji||Hatsu Dēto ni Haran wa Tsukimono|
|Release Date||October 10, 2018|
|Opening Theme||Kimi no Sei|
|Ending Theme||Fukashigi no Karte|
|Episode 1||Episode 3|
On First Dates, Trouble Is Essential (初デートに波乱は付き物, Hatsu Dēto ni Haran wa Tsukimono) is the second episode of the Seishun Buta Yarou wa Bunny Girl Senpai no Yume wo Minai anime adaptation.
Sakuta continues to investigate the cause of Mai’s puberty syndrome. Somehow, he also ends up scheduling a date with her. On his way to meet up with Mai at Fujisawa Station, he comes across a lost girl, who he tries to help out. But instead, he is mistaken for a pervert by another girl and winds up being late to the date. Mai eventually forgives him and they go on with their date, but she decides to change their plans and takes Sakuta to Shichirigahama instead...
While looking for the cause of Mai's Adolescence Syndrome, Sakuta ends up scheduling a date with Mai. On the day they promised, Sakuta tries to help out a lost little girl on his way towards Fujisawa Station. But, he is misunderstood to be a perverted maniac by another girl, and because of that, he ends up arriving late to his appointed time to meet Mai. He somehow gains Mai's forgiveness and they proceed with their date, but Mai changes their destination and takes Sakuta to Shichirigahama Beach.
There, he explains his own experience with Shoko Makinohara, an upper-class senpai who has helped Sakuta and his sister Kaede when the latter had a serious impact from Puberty Syndrome. After, both Sakuta and Mai realize that Mai's invisibility has gone worse, with even her mother forgetting who Mai is. With this event in mind, Sakuta and Mai ask numerous people in Fujisawa and Ogaki for the identity of Mai Sakurajima. With no one able to recollect and information about Mai, Sakuta and Mai sleep in a hotel together.
- Sakuta: "I've never held hands with a girl, so please be my first."
- Sakuta: "Don't hold yourself back if you want to do it. You should do it."
- Mai: "Thank you. For not giving up on me. Thank you."