Imaizumin Chi wa Douyara Gal no Tamariba ni Natteru Rashii - E04
In Episode 4 of Imaizumin Chi wa Douyara Gal no Tamariba ni Natteru Rashii, Imaizumi and the girls move to a new apartment next to Hayasaki’s older sister, Risa. Risa, intrigued by the situation, joins the group, leading to a consensual encounter with Imaizumi while the others watch or participate. The episode expands the harem with Risa’s inclusion, maintaining a group dynamic.
