Blue Archive - Koharu-chan to "Obenkyou" Suru Mousou E (Doujinshi) - Oneshot

[MangaDex]

 

[BlackElite]

Thanks, I'll enjoy it allright

 

[CinderSquall]

You know I've always been curious what the red thing in Koharu's neck is, some doujins draw it as a body marking/tattoo, while some draw it as a string/cloth she's wearing.