OBA-012 Incest flat-chested mother Kimihara Toshimi

After separating from her husband, Toshimi raised her son Shinji alone. The mother and child had lived harmoniously, but Toshimi hid a secret from Shinji. Her breasts were 'small' and her nipples would obscenely elongate... Toshimi never revealed this to Shinji, fearing he might find out. However, Shinji's suspicion of his mother as a woman only grew stronger. One day... when confronted by Shinji, Toshimi finally resolved to bare her chest...