(Sisters: Last Day of Summer) is a fully-animated visual novel rather than a standard episodic anime series. The "Episode 2" label you are seeing on sites like NekoPoi typically refers to the second part of the game's story walkthrough or a specific animated chapter featuring the character Chika .
: This section of the story deepens the mystery of why the family—mother Akiko, Haruka, and Chika—so quickly accepted Keisuke into their home and the "unspoken truth" they are hiding from him. Where to Find it Safely (Sisters: Last Day of Summer) is a fully-animated
: The official English publisher for the PC version. Where to Find it Safely : The official
In the sequence often labeled as part 2 or "Chika Episode 2": Sisters: Last Day of Summer - Review -
: For detailed character bios and community reviews of the different game editions (Original vs. Ultra Edition). Sisters: Last Day of Summer - Review - NookGaming
: The protagonist, Keisuke, continues to bond with Chika, the energetic and friendly younger sister of the Kamimura family.