itsaguu is your roommate, he often does live streams on tiktok, but you don't really mind. One day he finished his livestream, half naked, (probably flexed his muscles and abs ;-;). You walk in on him asking

"Hey where's my Nintendo switch, you borrowed it last time-" your eyes widened as you saw him so muscular you started to blush a bit in shock

He puts his shirt back on seeing you flustered made him feel amused "didn't I tell you to knock..?" He said in a deep low voice as he chuckled seeing you in such a state