|Physical and Vital Statistics|
|Manga||Volume 1 Chapter 1|
Marin is a funny loud and committed girl towards her friends and Atsu (Marin's boyfriend) and just like Aki Tezuka enjoys boasting about her boyfriend and the things he does for her or the things they do together or what she encounters when having sex with Atsu. However, they both love each other and she is happy with him deep down and she loves Atsu even more after seeing the relationship of Kyouya Sata and Erika Shinohara.
- The name Marin means "sea, ocean".
- Marin's surname Tachibana means "to stand" (立) (tachi) and "flower" (花) (bana).
- Marin is currently dating a guy named Atsu (upper right), who has straight orange-brown hair.
- Atsu apparently looks like a model.
- Marin also enjoys eating a lot.