It's a misspelling, I transcribed this over from the notebook I'm writing and doing mini sketches in. I actually wasn't aware that its spelled "Marisa."
Page 1
Panel 1: This koyukkuri is Reimu. She is a Reimu type like her mother.
Panel 2: Like all Reimu types she has braids and red and white ribbon accessory.
Panel 3: Reimu was the first to be born so she is the oldest koyukkuri.
Panel 4: Work hard to be a fine older sister!
Page 2
Panel 1: This koyukkuri is Marisa. She is a Marisa type like her father.
Panel 2: She has blonde hair with one braid and a black hat accessory.
Panel 3: She was the second to be born and quickly became attached to her big sis.
Panel 4: Be easy together you two!
Page 3
Panel 1: This koyukkuri is also a Reimu type.
Panel 2: She was the third one to be born.
Panel 3: (No dialogue, Reimu is being ignored by koyukkuri Reimu who is doing rub-rub with Marisa.)
Panel 4: She is a little bit of a crybaby.
Reimu! Don't ignore your other little sisters!
Page 4
Panel 1: Reimu you can't ignore your other little sister.
[Reimu] But Reimu is doing rub-rub easy with Marisa.
Panel 2: I know, but don't you want to rub-rub with Reimu too?
Panel 3: Then you will have TWO little sisters who think they have a braggable older sister.
Panel 4: [Reimu] Reimu will rub-rub with little sister Reimu!
[Reimu] Big sis Reimu!
Such strong pride.
Page 5
Panel 1: The koyukkuri are getting along well but I'm concerned about the last one.
Panel 2: She didn't drop like the others and seems undersized.
Panel 3: Marisa and Reimu are worried but still seem hopeful.
Panel 4: [Marisa] Little one...
[Reimu] Be born soon, easy...
Page 6
Panel 1: My friend can't afford to take anymore time off work or anymore train tickets.
Panel 2: Therefore, he is going to leave Marisa with me too until the last little one is born.
Panel 3: You can tell how much he cares about his yukkuri.
Panel 4: [Friend] Reimu! Marisa!
[Narrator] *sweatdrop* Take it easy...
Page 7
Panel 1: The koyukkuri and Reimu are happy they get to spend time with Marisa. They get to bounce-bounce...
Panel 2: ...high-high...
Panel 3: ...and rub-rub...
...wait.
Panel 4: Hey stop that!
Four koyukkuri are enough!
Page 8
Panel 1: I gave Reimu and Marisa a stern lecture.
[Narrator] What will happen to this other little one if you refresh now? He might not be born easy!
They promised to be good for the unborn little one's sake.
Panel 2: Just in case, I make Marissa hunt-hunt for food everyday.
Panel 3: After playing with the koyukkuri and hunt-hunt all day, Marisa is too tired to refresh.
Panel 4: Do your best Marisa.
[Reimu] Rub-rub with Reimu?
[Marisa] Not tonight, Marisa wants to be easy...
Page 9
Panel 1: Marisa and Reimu are training me in koyukkuri care.
Panel 2: Yukkuri usually eat yukkuri food which are little pellets.
[Reimu] Little ones, munch-munch easy okay?
Panel 3: It's also good to give them other fresh food for variety and occasionally a treat.
[Koyukkuri Reimu] Mister gives sweet-sweet?
Panel 4: [Koyukkuri] Happiness!
...how cute.
Page 10
Panel 1: After eating koyukkuri often pee-pee and poo-poo.
Panel 2: Koyukkuri can't take care of themselves so the parents and I clean them.
Panel 3: I use cotton swabs and cloths with a little water to clean them up.
Panel 4: [Marisa] Mister do lick-lick with little ones, ze?
No, this is fine!
Wait, is Marisa teasing me too?
Page 11
Panel 1: The koyukkuri love to play. They like to hide themselves.
[Koyukkuri] Hiding, hiding... Mister can't see cute little Reimu.
Panel 2: They also like to be carried or "high-high" as they call it.
[Koyukkuri Reimu] Big sis Marisa is like Mister Bird!
How do they know what a bird is anyway?
Panel 3: They also like to press themselves against my fingers.
[Koyukkuri Reimu] Rub-rub with Mister~!
Panel 4: Watch out for happy pee-peel...
[Narrator] A-ah! I just cleaned you!
Page 12
Panel 1: The yukkuri are all sleepy.
Panel 2: I tucked them all away in their nest for the night.
Panel 3: Good night yukkuri...
Panel 4: (Close up of the stem of the last koyukkuri beginning to separate.)
End of Chapter