HMX-13 Serio

HMX-13 Serio is Multi's younger robot sister and technically her advanced successor in To Heart. Serio was sent with Ayaka to Sanyo Girls' School for field testing and speaks using formal Japanese. She is technically superior to Multi and is equipped with a satellite system capable of communicating with and storing data on the Kurusagawa mainframe host computer. Serio is more effective than Multi as a maid robot but because she lacks emotions, does not feel as human. She does have a heart, and tries to help people even though she may fail as she is unable to understand the complex emotional as...