Ep. 4: Kei Disguises as Researcher to Observe May's Emotional Reaction to Kazuya
Aired on August 16, 2000

4
Sara dispatches the genius Cyberdoll Kei to infiltrate Kazuya's circle by posing as a fellow AI researcher. Upon meeting him, Kei observes the interactions closely. She becomes particularly struck by the intense emotions that Cyberdoll May exhibits toward Kazuya during their encounter. This mission allows Kei to witness firsthand the complex feelings developing between May and Kazuya, highlighting the contrast between her own logical nature and the emotional depth displayed by her counterpart.
Episodes
- Ep. 1 · Kazuya receives a Cyberdoll named May after his computer is infected by Kotaro Nanbara.
- Ep. 2 · Kazuya faces suspicion after May stays home while a debt collector arrives.
- Ep. 3 · Sara dispatches another Cyberdoll to recover May's payment or retrieve her
- Ep. 4 · Kei Disguises as Researcher to Observe May's Emotional Reaction to Kazuya
- Ep. 5 · Kazuya returns May after realizing he cannot afford her, then spends their final day at an amusement park before a mysterious android arrives.
- Ep. 6 · May returns and Kei begins lab work before the fireworks festival where Nanbara meets her
- Ep. 7 · Cyberdoll Mami Arrives and Arranges a Marriage Mixer for Kazuya and May
- Ep. 8 · The group defends the ladder connecting Kazuya's apartment to Kasumi's room against a typhoon.