C'mon Yuutasigh, what's wrong?If you don't swim it won't be much of a practiceSwimsuit tan lines guaranteed!
A fascinating color opening!!Ahaaa, so that's it♪According to the mood
The title is a pun. The reading of the title is kibunshidai. Normally the kanji for kibunshidai is 気分次第. For this title, the author replaced the last two kanji with 姉 (older sister) and 弟 (younger brother). Thus, we have 気分姉弟.#2Um, uhYou've just been fidgeting around for a while...... Does your stomach hurt?Well......Hey, move that hand and show onee-chan!S-Stop it onee-chan