Moyashimon - Season 2 Episode 3 Team Oikawa
Overview: Haruka is worried about her father's demands while Tadayasu and the others pay a visit to the remodeled Hiyoshi's liquor store and learn about what lies behind the secret door. Oikawa gets depressed about not finding anything important after so much effort to discover about it, and to cheer her up, Tadayasu decides to reveal his secret to her.