[Patreon Exclusive] Your Friend's Shy Sister Admits She Has a Crush on You [Flirty] [Flustered] [Awkward but Cute] [Friends to More] (Patreon)

You stop by your best friend's house expecting him to be there, but his younger sister answers the door saying he's stuck at practice. You've never actually spent time alone together, but she invites you in seeming more flustered than usual~