Never-Ending Summer Vacation

Owaranai Natsu Yasumi (終わらない夏休み) is a song by DoCo which was the original opening theme for the third movie. It was not used as such for the English dub as Where Do We Go From Here (You and Me) was the opening theme for the last six OVAs instead. It appears on the album DoCo Second.

Romaji
Zutto suki de ite ne Owaranai natsuyasumi Hi-dokei kizande 'ta mabushii taiyou ga Umi ni shizunde tomatta jikan Buruu-gurei no azayaka na iro Kokoro ni nokoshita mama de Watashi wo zutto daite ita kara Atsuku hi-tta Anata no kata ni Sotto yasashiku kuchi-zuke wo shite Kono natsu wo tojikomete ita Zutto suki de iru ne Tokimeita natsuyasumi Zutto suki de ite ne Owaranai natsuyasumi

Mugiwara no boushi ga kaze ni sarawarete mo Oikakenaide hanaretakunai Soroi no uchiage hanabi Omoide Takusan dekita Okuranaide to Yuube sumaseta Sayonara na no ni Sugata miseta ne Hashiru basu kara Mi wo noridashite Te wo yureba Kaze ga eta Zutto wasurenai yo Hashaide 'ta kimi no koto Chiisa na foto sutando Anata ga waratte iru Zutto suki de iru yo Shashin ni te-gaki no moji Zutto suki de ite ne Owaranai natsuyasumi