Souta was suddenly made dorm manager and coach of the Hokuei University Women's Volleyball Club as prompted by his older sister, Kaori. There, he had a fateful reunion with Ayano, his first love... In the girls' dorm! In the gym! In a hotel?! What awaited him were days of being bossed around by girls bigger than him! A Happy Harem Rom-Com of Size Differences♡ Born Huge on the Northern Plains!! (Source: OceanVeil) Note: Episode 1 received an advanced distribution on AnimeFesta on March 13th, 2025. The start date reflects the start of the regular series broadcasting.