Everyone in his family tries to help Kohanamaru remember , to no avail .
Near the end of the series Kohanamaru loses his memories of Nanao shortly after he confesses his love to her .
Everyone in Kohanamaru 's family tries to Kohanamaru Kohanamaru remember , to no avail .
Near the end of the series Kohanamaru loses his memories of Nanao shortly after he confesses his love to her .