When I was staring at my stomach, it overflowed from inside.
さい - When I was staring at my stomach, it overflowed from inside.
腹ボコ凝視してたら中から溢れてきた時の When I was staring at my stomach, it overflowed from inside.
腹ボコ凝視してたら中から溢れてきた時の When I was staring at my stomach, it overflowed from inside.