Ep. 9: Sen's new submarine maiden voyage with Hakumei, Mikochi, and Konju
Aired on March 9, 2018

9
Hakumei, Mikochi, and Konju join Sen for the first journey of her newly constructed submarine vessel. During the trip, Hakumei and Sen provide assistance to Mikochi as she creates a fresh dress specifically intended for Sen. The group engages in these activities while traveling on the water in the new craft.
Episodes
- Ep. 5 · Hakumei seeks construction work after being rejected by the association chairman
- Ep. 6 · Hakumei visits Jada’s egg house for a haircut, then enjoys a day off with Iwashi and refines limoncello with Konju.
- Ep. 7 · Hakumei and Mikochi welcome new tree residents including a beetle and a squirrel
- Ep. 8 · Hakumei and Mikochi become involved in a conflict within the artists' colony.
- Ep. 9 · Sen's new submarine maiden voyage with Hakumei, Mikochi, and Konju
- Ep. 10 · Hakumei and Mikochi build a bath after finding the onsen closed
- Ep. 11 · Mikochi and Hakumei travel by overnight train to Lake Kanokan for a fishing trip despite the rain.
- Ep. 12 · Hakumei and Mikochi revisit Hakumei's past caravan memories