Ep. 4: The arrival of the formidable Kouki is announced
Episodes
- Ep. 1 · The arrival of the character who has come
- Ep. 2 · A character arrives at the school setting
- Ep. 3 · Older sisters arrived unexpectedly.
- Ep. 4 · The arrival of the formidable Kouki is announced
- Ep. 5 · The moment for wearing swimsuits has finally arrived
- Ep. 6 · A handsome man arrives
- Ep. 7 · The arrival of Christmas has come
- Ep. 8 · The arrival of New Year's Day has occurred