- Shounen-Ai Subplot (76)
- Showbiz (1172)
- Shy Characters (172)
- Sibling Rivalry (112)
- Sibling's Care (90)
- Siblings (354)
- Siblings Not Related by Blood (291)
- Sickly Characters (323)
- Sign Language (6)
- Singers (177)
- Single Parent (114)
- Sister Complex (223)
- Skill Assimilation (197)
- Skill Books (80)
- Skill Creation (129)
- Slave Harem (57)
- Slave Protagonist (29)
- Slaves (286)
- Sleeping (26)
- Slow Growth at Start (287)
- Slow Romance (1283)
- Smart Couple (522)
- Social Outcasts (39)
- Soldiers (197)
- Soul Power (125)
- Souls (143)
- Spatial Manipulation (85)
- Spear Wielder (53)
- Special Abilities (2296)
- Spies (50)
- Spirit Advisor (62)
- Spirit Users (65)
- Spirits (348)
- Stalkers (77)
- Stockholm Syndrome (71)
- Stoic Characters (99)
- Store Owner (154)
- Straight Seme (85)
- Straight Uke (118)
- Strategic Battles (257)
- Strategist (257)
- Strength-based Social Hierarchy (343)
- Strong Love Interests (1981)
- Strong to Stronger (1032)
- Stubborn Protagonist (139)
- Student Council (61)
- Student-Teacher Relationship (234)
- Subtle Romance (15)
- Succubus (103)
- Sudden Strength Gain (222)