When a socially awkward college student ducks into a café to avoid the rain, he doesn't expect to fall for the charming older woman behind the counter… or her 3-year-old daughter calling him “Onii-chan.”

He's a shy, nerdy college student. She's a beautiful, overwhelmed single mother. Their paths cross in the most awkward way imaginable – a hallway filled with scattered lingerie. Despite the initial chaos, Haruto finds himself drawn to his new neighbor, Aiko-san, offering help with everything from computer woes to late-night baby duty. Through embarrassing accidents, jealous outbursts, and standing up to her past, their bond deepens, revealing a surprising connection. But with a dream opportunity abroad looming over Haruto and unspoken feelings hanging in the air, will they dare to embrace the complicated, heartwarming reality of their budding relationship and face the future... together? yes n