|Physical and Vital Statistics|
|Manga||Volume 1 Chapter 1|
Marin is a funny loud and committed girl towards her friends and Atsuma Fujikawa (Marin's boyfriend), just like Aki Tezuka enjoys boasting about Hajime Mukai (Aki's boyfriend) and the things he does for her or the things they do together or what she encounters when having sex with Atsu.
- The name Marin means "sea, ocean".
- Marin's surname Tachibana means "standing" (立) (tachi) and "flower, blossom" (花) (hana/bana).
- Marin is currently dating a guy named Atsuma Fujikawa (upper right), who has straight orange-brown hair.
- Atsu apparently looks like a model.
- Marin also enjoys eating a lot.