Atri is a robot girl, although possessing a wealth of emotions that can easily trick people into thinking that she is a real girl. She was found in Ikura Natsuki’s oceanologist grandmother’s submerged laboratory by Natsuki and Catherine. In her gratitude for being saved, she declares to Natuski: “I want to fulfil my master’s final order. Until I do, I’ll be your leg!”. And thus an unforgettable summer ensues.

She is one of the main protagonists from ATRI -My Dear Moments-