That was the "ultimate OTP" (one true pairing) from the BL game Aria absolutely loved in her past life. Reincarnated into that world, Aria finds herself in the "front row" position as Shion’s fiancée! To guide them to a happy ending, her only mission is to (on her own accord) break every flag that stands in the way of their love. Thanks to her running around fueled by her boiling delusions to avoid serious developments, the situation of her "Oshi Couple" meeting secretly behind a building finally unfolds before her eyes. She was supposed to just become a wall and watch over them quietly…… but for some reason, both of their gazes are directed at Aria――. "Don't look at anyone but me." "I want to be with you forever." ……How did it end up like this!? Love and delusions are overflowing and won't stop! An accidental love fantasy about a nosy lady who is loved by everyone!