As summer arrives, the girls go to the swimming pool to teach Tamako how to swim while Dela learns of Mochizou's crush on Tamako. Dela decides to accompany Mochizou as he and the others go on a school trip to the beach and help him with his love troubles. When Midori learns of this, she chooses to stand against him, although the heat between them soon calms down by the next day as the gang watch some fireworks.
En prévision des colonies de vacances à la mer, Tamako et ses amies décident de s’entraîner à nager à la piscine municipale. Entre-temps, Dela surprend Mochizô qui se tourmente au sujet de Tamako. Fidèle à son tempérament, Dela décide d’aider le jeune homme à conquérir l’élue de son cœur.
恋の花火に、心の花火。真夏の夜の夢、色付く想い。はかなく散ってしまわぬように
여름 타마코는 임해학교에 가게 됐다. 수영을 못하는 타마코는 친구들과 연습하며 임해학교에 대비한다. 한편 모치조는 데라의 억지로 인해 타마코에게 고백을 하게 되는데…
夏天。玉子他們要去參加海濱夏令營。不會游泳的玉子和綠他們在游泳池練習，為海邊之行做準備。另一方面，餅藏在德拉的強硬建議下，決定將自己的心意傳達給玉子……
Como llega el verano, las niñas van a la piscina para enseñar Tamako a nadar mientras Dera entera de aplastamiento de Mochizō en Tamako. Dera decide acompañar Mochizō mientras él y los otros van en un viaje escolar a la playa y le ayuda con sus problemas de amor.
