The Park Debut... It is when you first join the community of mothers who bring their young children to the park. That day, Oga took Baby Beel to the park for his nerve-wracking debut... But the rumored BoB Brawler only manages to freak out the local mothers. During this debaucle, Oga meets fellow high schooler Kunieda Aoi and her much younger brother Kota, where he suddenly asks her to "do it" with him?!