ai (agent aika), aida rion, ayumi (agent aika), bianca (agent aika), black delmo, delmo, eri (agent aika), golden delmo, misaki (agent aika), naomi (agent aika), rika (agent aika), sae (agent aika), sumeragi aika, valerie (agent aika), yuki (agent aika), agent aika, aika (series), artbook, official art, 1990s (style), full body, laserdisc insert, one-piece swimsuit, reference sheet, retro artstyle, swimsuit