Ep. 21: Jealous Outburst? Two Lovebirds on a Boat: Tremble
Aired on September 6, 2000

21
Naru and Keitaro venture out to celebrate recent grades, though both remain uncertain if the outing constitutes a romantic date. During this time, a mysterious young girl makes an unexpected appearance. Meanwhile, Mutsumi reveals that her goal of entering Tokyo U stems from a childhood promise. However, she cannot recall the specific name or face of the boy involved in that vow. This detail suggests a potential connection to Keitaro, implying he might be the individual she promised to meet, adding a layer of mystery to their current situation.
Episodes
- Ep. 17 · Keitaro's Romantic Plan on the Haunted Island Goes Awry
- Ep. 18 · Residents attend the local summer festival in yukata while Kitsune plots to separate Naru and Seta.
- Ep. 19 · A Prince from Kaolla's Country Appears Seeking Marriage
- Ep. 20 · Keitaro and Mutsumi Hear a Self-Moving Doll That Reminds Him of a Family Promise
- Ep. 21 · Jealous Outburst? Two Lovebirds on a Boat: Tremble
- Ep. 22 · Mei's Scheme to Reunite Naru with Her Family Back Home
- Ep. 23 · Naru Narusegawa's inner conflict and Keitaro's uncertain future at the inn
- Ep. 24 · Hinata House Repairs Force Departure as Keitaro's Future With Naru and Mutsumi Remains Uncertain