Ep. 2: Raido helps Aharen with eye drops while her childhood friend Mitsuki Oshiro secretly watches them.

Raido administers eye drops to Aharen, who finds his proximity embarrassing despite her usual closeness. He senses a spy, and Aharen comforts him with a hug. The observer is Mitsuki Oshiro, a tall, nervous childhood friend who distrusts boys and vows to protect Aharen from afar. Aharen attempts to warn Raido about his exposed underwear, but when he fails to understand, she spends the day shielding his lower body. Oshiro later tries to share her umbrella with Aharen, who gets wet due to their height difference. Aharen reveals she knows Oshiro follows them daily but lacks stealth. The next day, Oshiro watches from a distance using binoculars. Raido challenges Aharen to Reversi, believing himself a master, only to discover her unusual vision makes her superior. She cheats to ensure the game ends in a draw.

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