Madoka Chishiro is a supporting character in Wave, Listen to Me!. She works as a well-known radio host at the MRS radio station, where she is in charge of a mid-day program titled Chishiro Madoka no September Blue Moon. The show centers on lonely hearts and offers a space for listeners to share their personal troubles. It is on this program that the main character, Minare Koda, first pours out her frustrations after a bad breakup, setting the story in motion. Madoka has been worried about Minare ever since that broadcast.

Madoka is depicted with short black hair and brown eyes, often seen wearing a dark dress with a white coat. Her personality comes across as professional and warm, befitting a radio host who specializes in emotional matters. She shows a genuine concern for the people who call into her show, particularly Minare, whose raw and unfiltered voice captures her attention. Her motivations are rooted in a caring nature and a sense of responsibility toward the listeners who trust her.

Within the story, Madoka serves as a colleague and a mildly maternal figure to Minare. She works alongside Kanetsugu Mato, the director who first records and broadcasts Minare’s rant, and has a complicated relationship with Katsumi Kureko, a broadcast writer for the same program. Her connection with Minare deepens over time as she continues to follow the younger woman’s radio career and occasionally steps in to offer support or guidance.

Madoka’s development is tied to her growing investment in Minare’s potential and her own navigation of the radio industry’s interpersonal dynamics. Her notable abilities include her skill as a radio host, her ability to empathetically engage with lonely hearts, and her instinct to recognize raw talent in others. She is a steady presence in the station, balancing her own program with a quiet watchfulness over the people around her.