Momoka Yamabuki (ISLAND) · 空想百科 SoraWiki

A graduate student studying under seniors in the field of oceanography, conducting field research on the island, hoping to inherit his teacher's research.

Additional information
Featured works	ISLAND

Characters and relationships

A graduate student studying under seniors in the field of oceanography, conducting field research on the island, hoping to inherit his teacher's research.

Natsumi's Students and Lover (PS4)

In the PS4 version of Xia Lian's route, Momoka was once a student of Xia Lian's mother, Xia Wei, and was her lover during her lifetime. Natsu did not use 'Nakami Sueji' to publish research, and Momoka's inherited research was thus connected to Xia Lian's journey of searching for her mother.

Leading to the Sea Base (PS4 Rinne Route)

At the end of the PS4 Rinne route, Rina moves to a seaside cabin after losing Rinne, and Momoka comes to share clues about the ocean and super technology. Rinne's search and rescue delayed the dismantling of the offshore base by a month; Chena then headed to the soon-to-be-demolished base, where cryogenic sleep devices were stored.

Anime Episode 4: Guided to visit the research lab

After Xia Lian and Qien arrived at their mother's grave, Momoka received a message from Moru and rushed over, taking them on a tour of the research room at Miyaura University.

Game Xia Lian route: Connect and go see Xia Lian

At the end of Xia Lian's route, Momoka comes to pick him up when Chena is released from prison and takes him to see Xia Lian. At this time, Xia Lian was already living at university.

Related entries

Featured works:ISLAND
Switch version works that include the bonus novels featuring the original appearance:ISLAND
In episode 4 of the anime, he takes her on a tour of the research lab at Miyaura University:Shudu Xialian (ISLAND)
In the game, Xia Lian is picked up when released from prison to meet Xia Lian:Sansangkai Chena (ISLAND)

References

Data compiled on: 2026-10-12.