15 no Yoru is an irregularly serialized anthology manga that deals with societal issues such as neglect of children and the elderly, drug addiction, school bullying, extreme reclusiveness, HIV/AIDS 1.**The Cry of a Nameless Boy**, deals with neglect of children 2.**DIFFUSE**, deals with addiction 3.**You who are being bullied**, deals with school bullying 4.**REBIRTH**, sequel to DIFFUSE 5.**Cocoon**, deals with social withdrawal 6.**AIDS**, deals with HIV related issues
Pairing: UK x Spain Anthology of doujinshi from different artists. • Sobayu's section: Reprinted in [Hetacolle](https://www.mangaupdates.com/series.html?id=186066) (scanlated from this version)
1. **Hasami Onna** (ハサミ女) \[Hana Umeno\] 2. **FRIEND DOLL** (FRIEND DOLL) \[Azusa Tachibana\] 3. **Yuki no Hi** (雪の日) \[Nao Takami\] 4. **Eternal Swan** (Eternal Swan) \[Kidachi\] 5. **Zashiki Warashi no Iru Tokoro** (座敷童子のいるところ) \[Youko Nanami\]