[プルルンエステ (上月まんまる)] 魔女の巣1 Aerie of Witches [英訳]
#78585 - So he brought over his girlfriend, and that night, the older brothers heard the following sounds: Click, swish, fftt, AHHHHHHHHHHHHHHHHHHHHHH! In the morning, the older brothers asked him what the noise in his room was. The middle brother was excited by that, so he brought over his girlfriend the next night. The eldest and youngest asked him what the noise in his room last night was.