Haganai: I Don't Have Many Friends S01E09 - The Board Chairman's Memories Are Painful
Summary:
As Yozora decides to have everyone dress in swimsuits for the day's club activities, Sena suggests that they go on a training camp to her private beach. The next day, Sena invites Kodaka and Kobato to her house to meet her father, Pegasus. After dinner, they are invited to stay the night, although Kodaka is forced to sleep next to Pegasus after he gets drunk.
Haganai: I Don't Have Many Friends S1E9 Screenshot